Release 4 FHIR CI-Build

This page is part of the Continuous Integration Build of FHIR Specification (v4.0.1: R4 - Mixed Normative and STU ) in it's permanent home (it will always (will be available incorrect/inconsistent at this URL). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see times).
See the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Elementdefinition.profile.xml

Example StructureDefinition/ElementDefinition (XML)

Maturity Level : N/A
Responsible Owner: Modeling and Methodology Work Group Standards Status : Informative

Raw XML ( canonical form + also see XML Format Specification )

StructureDefinition for ElementDefinition

<?xml version="1.0" encoding="UTF-8"?>


  
  
    
    
      
        
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           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ElementDefinition"/> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align:
       top;">
        <tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align:

         top">
          <th class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom:
           3px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a>           </th>           <th class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom:
           3px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a>           </th>           <th class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom:
           3px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a>           </th>           <th class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom:
           3px; width: 100px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a>           </th>           <th class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom:
           3px">
            <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description &amp; Constraints</a>             <span style="float: right">              <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format">                <img alt="doco" src="data:(snipped in html view)" style="background-color: inherit"/>               </a>             </span>           </th>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
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          DsHd9/w4EQIOamFnaBgAA4MMKAACAKwNp30CqZFfFmwAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Element"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition" title="ElementDefinition : Captures constraints on each element within the resource, profile,
             or extension.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
            padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color:
             black; background-color: #e6ffe6
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxDefinition of an element in a resource or extension
            
            
            
            + Rule: if the element definition has a contentReference, it cannot have type, defaultValue,
               fixed, pattern, example, minValue, maxValue, maxLength, or binding
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            
            + Warning: Element names should be simple alphanumerics with a max of 64 characters, or
               code generation tools may be broken
            
            
            Elements defined in Ancestors: 
            Unique id for the element within a resource (for internal references). This may be any
             string value that does not contain spaces., 
            May be used to represent additional information that is not part of the basic definition
             of the element. To make the use of extensions safe and manageable, there is a strict set
             of governance  applied to the definition and use of extensions. Though any implementer
             can define an extension, there is a set of requirements that SHALL be met as part of the
             definition of the extension., 
            May be used to represent additional information that is not part of the basic definition
             of the element and that modifies the understanding of the element in which it is contained
             and/or the understanding of the containing element's descendants. Usually modifier elements
             provide negation or qualification. To make the use of extensions safe and manageable,
             there is a strict set of governance applied to the definition and use of extensions. Though
             any implementer can define an extension, there is a set of requirements that SHALL be
             met as part of the definition of the extension. Applications processing a resource are
             required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource
             (including cannot change the meaning of modifierExtension itself).
          
        

        
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            ElementDefinition.path : The path identifies the element and is expressed as a &quot;.&quot;-separat
            ed list of ancestor elements, beginning with the name of the resource or extension.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.representation : Codes that define how this element is represented in
             instances, when the deviation varies from the normal case.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxxmlAttr | xmlText | typeAttr | cdaText | xhtml
            
             (
            )
            
          
        

        
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           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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             or extension.">ElementDefinition</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="versions.html#std-process" style="padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold;

             color: black; background-color: #e6ffe6; padding-left: 3px; padding-right: 3px;
             border: 1px grey solid; font-weight: bold; color: black; background-color: #e6ffe6" title="Standards Status = Normative">N</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Definition of an element in a resource or extension
            <br/>              <span style="font-style: italic" title="eld-2">+ Rule: Min &lt;= Max</span>             <br/>              <span style="font-style: italic" title="eld-5">+ Rule: if the element definition has a contentReference, it cannot have type,

               defaultValue, fixed, pattern, example, minValue, maxValue, maxLength, or binding</span> 
            <br/>              <span style="font-style: italic" title="eld-6">+ Rule: Fixed value may only be specified if there is one type</span>             <br/>              <span style="font-style: italic" title="eld-7">+ Rule: Pattern may only be specified if there is one type</span>             <br/>              <span style="font-style: italic" title="eld-8">+ Rule: Pattern and fixed are mutually exclusive</span>             <br/>              <span style="font-style: italic" title="eld-11">+ Rule: Binding can only be present for coded elements, string, and uri if using

               FHIR-defined types</span> 
            <br/>              <span style="font-style: italic" title="eld-13">+ Rule: Types must be unique by code</span>             <br/>              <span style="font-style: italic" title="eld-14">+ Rule: Constraints must be unique by key</span>             <br/>              <span style="font-style: italic" title="eld-15">+ Rule: default value and meaningWhenMissing are mutually exclusive</span>             <br/>              <span style="font-style: italic" title="eld-16">+ Rule: sliceName must be composed of proper tokens separated by &quot;/&quot;</span>             <br/>              <span style="font-style: italic" title="eld-18">+ Rule: Must have a modifier reason if isModifier = true</span>             <br/>              <span style="font-style: italic" title="eld-19">+ Rule: Element path SHALL be expressed as a set of '.'-separated components with

               each component restricted to a maximum of 64 characters and with some limits on
               the allowed choice of characters</span> 
            <br/>              <span style="font-style: italic" title="eld-20">+ Warning: The first component of the path should be UpperCamelCase.  Additional

               components (following a '.') should be lowerCamelCase.  If this syntax is not adhered
               to, code generation tools may be broken. Logical models may be less concerned about
               this implication.</span> 
            <br/>              <span style="font-style: italic" title="eld-22">+ Rule: sliceIsConstraining can only appear if slicename is present</span>             <br/>              <span style="font-style: italic" title="eld-24">+ Guideline: pattern[x] should be used rather than fixed[x]</span>             <br/>              <span style="font-style: italic" title="eld-25">+ Warning: Order has no meaning (and cannot be asserted to have meaning), so enforcing

               rules on order is improper</span> 
            <br/>              <span style="font-style: italic" title="eld-27">+ Warning: Mappings SHOULD be unique by key</span>             <br/>              <span style="font-style: italic" title="eld-28">+ Rule: Can't have valueAlternatives if mustHaveValue is true</span>             <br/>              <span style="font-style: italic" title="eld-33">+ Warning: If there's more than one bindable type, it's usually an error for there

               to be a binding</span> 
            <br/>              <br/>  Elements defined in Ancestors:             <a href="types.html#Element" title="Unique id for the element within a resource (for internal references). This may

             be any string value that does not contain spaces.">id</a> , 
            <a href="types.html#Element" title="May be used to represent additional information that is not part of the basic definition

             of the element. To make the use of extensions safe and managable, there is a strict
             set of governance applied to the definition and use of extensions. Though any implementer
             can define an extension, there is a set of requirements that SHALL be met as part
             of the definition of the extension.">extension</a> , 
            <a href="types.html#BackboneType" title="May be used to represent additional information that is not part of the basic definition

             of the element and that modifies the understanding of the element in which it is
             contained and/or the understanding of the containing element's descendants. Usually
             modifier elements provide negation or qualification. To make the use of extensions
             safe and managable, there is a strict set of governance applied to the definition
             and use of extensions. Though any implementer can define an extension, there is
             a set of requirements that SHALL be met as part of the definition of the extension.
             Applications processing a resource are required to check for modifier extensions.
Modifier extensions SHALL NOT change the meaning of any elements on Resource or
             DomainResource (including cannot change the meaning of modifierExtension itself).">modifierExtension</a> 
          </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.path" title="ElementDefinition.path : The path identifies the element and is expressed as a

             &quot;.&quot;-separated list of ancestor elements, beginning with the name of the
             resource or extension.">path</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Path of the element in the hierarchy of elements
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.representation" title="ElementDefinition.representation : Codes that define how this element is represented

             in instances, when the deviation varies from the normal case. No extensions are
             allowed on elements with a representation of 'xmlAttr', no matter what FHIR serialization
             format is used.">representation</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">xmlAttr | xmlText | typeAttr | cdaText | xhtml
            <br/>  Binding:             <a href="valueset-property-representation.html" title="How a property is represented when serialized.">PropertyRepresentation</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.sliceName" title="ElementDefinition.sliceName : The name of this element definition slice, when slicing
             is working. The name must be a token with no dots or spaces. This is a unique name referring
             to a specific set of constraints applied to this element, used to provide a name to different
             slices of the same element.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            TRgwAAAABJRU5ErkJggg== 

             is working. The name must be a token with no dots or spaces. This is a unique name
             referring to a specific set of constraints applied to this element, used to provide
             a name to different slices of the same element.">sliceName</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Name for this particular element (in a set of slices)
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
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            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.sliceIsConstraining" title="ElementDefinition.sliceIsConstraining : If true, indicates that this slice definition
             is constraining a slice definition with the same name in an inherited profile. If false,
             the slice is not overriding any slice in an inherited profile. If missing, the slice might
             or might not be overriding a slice in an inherited profile, depending on the sliceName.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color:
             black; background-color: #fff5e6
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.label : A single preferred label which is the text to display beside
             the element indicating its meaning or to use to prompt for the element in a user display
             or form.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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             is constraining a slice definition with the same name in an inherited profile.
             If false, the slice is not overriding any slice in an inherited profile. If missing,
             the slice might or might not be overriding a slice in an inherited profile, depending
             on the sliceName.">sliceIsConstraining</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">If this slice definition constrains an inherited slice definition (or not)
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.label" title="ElementDefinition.label : A single preferred label which is the text to display

             beside the element indicating its meaning or to use to prompt for the element in
             a user display or form.">label</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">String to display with or prompt for element
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.code" title="ElementDefinition.code : A code that has the same meaning as the element in a particular
             terminology.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxCorresponding codes in terminologies
            
             (
            Instances are not expected or even encouraged to draw from the specified value set.  The
             value set merely provides examples of the types of concepts intended to be included.)
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw== 
            ElementDefinition.slicing : Indicates that the element is sliced into a set of alternative
             definitions (i.e. in a structure definition, there are multiple different constraints
             on a single element in the base resource). Slicing can be used in any resource that has
             cardinality ..* on the base resource, or any resource with a choice of types. The set
             of slices is any elements that come after this in the element sequence that have the same
             path, until a shorter path occurs (the shorter path terminates the set).
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxThis element is sliced - slices follow
            
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
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            5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw== 
            ElementDefinition.slicing.discriminator : Designates which child elements are used to
             discriminate between the slices when processing an instance. If one or more discriminators
             are provided, the value of the child elements in the instance data SHALL completely distinguish
             which slice the element in the resource matches based on the allowed values for those
             elements in each of the slices.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxElement values that are used to distinguish the slices
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.slicing.discriminator.type : How the element value is interpreted when
             discrimination is evaluated.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxvalue | exists | pattern | type | profile
            
             (
            )
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
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            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.slicing.discriminator.path : A FHIRPath expression, using [the simple
             subset of FHIRPath](fhirpath.html#simple), that is used to identify the element on which
             discrimination is based.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.slicing.description : A human-readable text description of how the slicing
             works. If there is no discriminator, this is required to be present to provide whatever
             information is possible about how the slices can be differentiated.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
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            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.slicing.ordered : If the matching elements have to occur in the same
             order as defined in the profile.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.slicing.rules : Whether additional slices are allowed or not. When the
             slices are ordered, profile authors can also say that additional slices are only allowed
             at the end.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxclosed | open | openAtEnd
            
             (
            )
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            ElementDefinition.short : A concise description of what this element means (e.g. for use
             in autogenerated summaries).
          
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            ElementDefinition.definition : Provides a complete explanation of the meaning of the data
             element for human readability.  For the case of elements derived from existing elements
             (e.g. constraints), the definition SHALL be consistent with the base definition, but convey
             the meaning of the element in the particular context of use of the resource. (Note: The
             text you are reading is specified in ElementDefinition.definition).
          
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           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.comment : Explanatory notes and implementation guidance about the data
             element, including notes about how to use the data properly, exceptions to proper use,
             etc. (Note: The text you are reading is specified in ElementDefinition.comment).
          
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            ElementDefinition.requirements : This element is for traceability of why the element was
             created and why the constraints exist as they do. This may be used to point to source
             materials or specifications that drove the structure of this element.
          
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.alias : Identifies additional names by which this element might also
             be known.
          
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           padding:0px 4px 0px 4pxOther names
            
          
        

        
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            ElementDefinition.max : The maximum number of times this element is permitted to appear
             in the instance.
          
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxMaximum Cardinality (a number or *)
            
            
          
        

        
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            ElementDefinition.base : Information about the base definition of the element, provided
             to make it unnecessary for tools to trace the deviation of the element through the derived
             and related profiles. When the element definition is not the original definition of an
             element - i.g. either in a constraint on another type, or for elements from a super type
             in a snap shot - then the information in provided in the element definition may be different
             to the base definition. On the original definition of the element, it will be same.
          
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            ElementDefinition.base.path : The Path that identifies the base element - this matches
             the ElementDefinition.path for that element. Across FHIR, there is only one base definition
             of any element - that is, an element definition on a [[[StructureDefinition]]] without
             a StructureDefinition.base.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.base.min : Minimum cardinality of the base element identified by the
             path.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
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            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.base.max : Maximum cardinality of the base element identified by the
             path.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
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            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.contentReference : Identifies an element defined elsewhere in the definition
             whose content rules should be applied to the current element. ContentReferences bring
             across all the rules that are in the ElementDefinition for the element, including definitions,
             cardinality constraints, bindings, invariants etc.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
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            5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw== 
            ElementDefinition.type : The data type or resource that the value of this element is permitted
             to be.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxData type and Profile for this element
            

             terminology.">code</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#Coding">Coding</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Corresponding codes in terminologies
            <br/>  Binding:             <a href="http://loinc.org/vs" title="Codes that indicate the meaning of a data element.">ElementDefinitionCode</a>  (            <a href="terminologies.html#example" title="Instances are not expected or even encouraged to draw from the specified value

             set.  The value set merely provides examples of the types of concepts intended
             to be included.">Example</a> )
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.slicing" title="ElementDefinition.slicing : Indicates that the element is sliced into a set of

             alternative definitions (i.e. in a structure definition, there are multiple different
             constraints on a single element in the base resource). Slicing can be used in any
             resource that has cardinality ..* on the base resource, or any resource with a
             choice of types. The set of slices is any elements that come after this in the
             element sequence that have the same path, until a shorter path occurs (the shorter
             path terminates the set).">slicing</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">This element is sliced - slices follow
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.slicing.discriminator" title="ElementDefinition.slicing.discriminator : Designates which child elements are used

             to discriminate between the slices when processing an instance. If one or more
             discriminators are provided, the values of the child elements in the instance data
             SHALL completely distinguish which slice the element in the resource matches based
             on the allowed values for those elements in each of the slices.">discriminator</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Element values that are used to distinguish the slices
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LsQ0AIAw
          Dwezq/WcAaqhSoDRn6ZqXXEmq42zdrWP6DwAAzHkCAADALxtMUUAsbN3VPQAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.slicing.discriminator.type" title="ElementDefinition.slicing.discriminator.type : How the element value is interpreted

             when discrimination is evaluated.">type</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">value | exists | type | profile | position
            <br/>  Binding:             <a href="valueset-discriminator-type.html" title="How an element value is interpreted when discrimination is evaluated.">DiscriminatorType</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.slicing.discriminator.path" title="ElementDefinition.slicing.discriminator.path : A FHIRPath expression, using [the

             simple subset of FHIRPath](fhirpath.html#simple), that is used to identify the
             element on which discrimination is based.">path</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Path to element value
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.slicing.description" title="ElementDefinition.slicing.description : A human-readable text description of how

             the slicing works. If there is no discriminator, this is required to be present
             to provide whatever information is possible about how the slices can be differentiated.">description</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Text description of how slicing works (or not)
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.slicing.ordered" title="ElementDefinition.slicing.ordered : If the matching elements have to occur in the

             same order as defined in the profile.">ordered</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">If elements must be in same order as slices
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.slicing.rules" title="ElementDefinition.slicing.rules : Whether additional slices are allowed or not.

             When the slices are ordered, profile authors can also say that additional slices
             are only allowed at the end.">rules</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">closed | open | openAtEnd
            <br/>  Binding:             <a href="valueset-resource-slicing-rules.html" title="How slices are interpreted when evaluating an instance.">SlicingRules</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.short" title="ElementDefinition.short : A concise description of what this element means (e.g.

             for use in autogenerated summaries).">short</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Concise definition for space-constrained presentation
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.definition" title="ElementDefinition.definition : Provides a complete explanation of the meaning of

             the data element for human readability.  For the case of elements derived from
             existing elements (e.g. constraints), the definition SHALL be consistent with the
             base definition, but convey the meaning of the element in the particular context
             of use of the resource. (Note: The text you are reading is specified in ElementDefinition.def
            inition).">definition</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Full formal definition as narrative text
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.comment" title="ElementDefinition.comment : Explanatory notes and implementation guidance about

             the data element, including notes about how to use the data properly, exceptions
             to proper use, etc. (Note: The text you are reading is specified in ElementDefinition.comment
            ).">comment</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Comments about the use of this element
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.requirements" title="ElementDefinition.requirements : This element is for traceability of why the element

             was created and why the constraints exist as they do. This may be used to point
             to source materials or specifications that drove the structure of this element.">requirements</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Requirements satisfied by this element/structure and its constraints
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.alias" title="ElementDefinition.alias : Identifies additional names by which this element might

             also be known.">alias</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Other names
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.min" title="ElementDefinition.min : The minimum number of times this element SHALL appear in

             the instance.">min</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#unsignedInt">unsignedInt</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Minimum Cardinality
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.max" title="ElementDefinition.max : The maximum number of times this element is permitted to

             appear in the instance.">max</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Maximum Cardinality (a number or *)
            <br/>              <span style="font-style: italic" title="eld-3">+ Rule: Max SHALL be a number or &quot;*&quot;</span>             <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.base" title="ElementDefinition.base : Information about the base definition of the element,

             provided to make it unnecessary for tools to trace the deviation of the element
             through the derived and related profiles. When the element definition is not the
             original definition of an element - e.g. either in a constraint on another type,
             or for elements from a super type in a snap shot - then the information in provided
             in the element definition may be different to the base definition. On the original
             definition of the element, it will be same.">base</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Base definition information for tools
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.base.path" title="ElementDefinition.base.path : The Path that identifies the base element - this

             matches the ElementDefinition.path for that element. Across FHIR, there is only
             one base definition of any element - that is, an element definition on a [[[StructureDefiniti
            on]]] without a StructureDefinition.base.">path</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Path that identifies the base element
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.base.min" title="ElementDefinition.base.min : Minimum cardinality of the base element identified

             by the path.">min</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#unsignedInt">unsignedInt</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Min cardinality of the base element
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.base.max" title="ElementDefinition.base.max : Maximum cardinality of the base element identified

             by the path.">max</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Max cardinality of the base element
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.contentReference" title="ElementDefinition.contentReference : Identifies an element defined elsewhere in

             the definition whose content rules should be applied to the current element. ContentReference
            s bring across all the rules that are in the ElementDefinition for the element,
             including definitions, cardinality constraints, bindings, invariants etc.">contentReference</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#uri">uri</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Reference to definition of content for the element
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.type" title="ElementDefinition.type : The data type or resource that the value of this element

             is permitted to be.">type</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Data type and Profile for this element
            <br/>  
            <span style="font-style: italic" title="eld-4">+ Rule: Aggregation may only be specified if one of the allowed types for the element
               is a reference
            
            
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.type.code : URL of Data type or Resource that is a(or the) type used
             for this element. References are URLs that are relative to http://hl7.org/fhir/StructureDefinition
             e.g. &quot;string&quot; is a reference to http://hl7.org/fhir/StructureDefinition/string.
             Absolute URLs are only allowed in logical models.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxData type or Resource (reference to definition)
            
             (
            To be conformant, the concept in this element SHALL be from the specified value set if
             any of the codes within the value set can apply to the concept being communicated.  If
             the value set does not cover the concept (based on human review), alternate codings (or,
             data type allowing, text) may be included instead.)
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            ElementDefinition.type.profile : Identifies a profile structure or implementation Guide
             that applies to the datatype this element refers to. If any profiles are specified, then
             the content must conform to at least one of them. The URL can be a local reference - to
             a contained StructureDefinition, or a reference to another StructureDefinition or Implementation
             Guide by a canonical URL. When an implementation guide is specified, the type SHALL conform
             to at least one profile defined in the implementation guide.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            (
             | 
            )
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxProfiles (StructureDefinition or IG) - one must apply
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC 
            ElementDefinition.type.targetProfile : Used when the type is &quot;Reference&quot; or
             &quot;canonical&quot;, and identifies a profile structure or implementation Guide that
             applies to the target of the reference this element refers to. If any profiles are specified,
             then the content must conform to at least one of them. The URL can be a local reference
             - to a contained StructureDefinition, or a reference to another StructureDefinition or
             Implementation Guide by a canonical URL. When an implementation guide is specified, the
             target resource SHALL conform to at least one profile defined in the implementation guide.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            (
             | 
            )
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxProfile (StructureDefinition or IG) on the Reference/canonical target - one must apply
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            ElementDefinition.type.aggregation : If the type is a reference to another resource, how
             the resource is or can be aggregated - is it a contained resource, or a reference, and
             if the context is a bundle, is it included in the bundle.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxcontained | referenced | bundled - how aggregated
            
             (
            )
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            ElementDefinition.type.versioning : Whether this reference needs to be version specific
             or version independent, or whether either can be used.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxeither | independent | specific
            
            Whether a reference needs to be version specific or version independent, or whether either
             can be used. (
            )
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            ElementDefinition.defaultValue[x] : The value that should be used if there is no value
             stated in the instance (e.g. 'if not otherwise specified, the abstract is false').
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            ElementDefinition.meaningWhenMissing : The Implicit meaning that is to be understood when
             this element is missing (e.g. 'when this element is missing, the period is ongoing').
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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               is a reference</span> 
            <br/>              <span style="font-style: italic" title="eld-17">+ Rule: targetProfile is only allowed if the type is Reference or canonical</span>             <br/>              <span style="font-style: italic" title="eld-29">+ Warning: profiles SHOULD be unique</span>             <br/>              <span style="font-style: italic" title="eld-30">+ Warning: targetProfiles SHOULD be unique</span>             <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.type.code" title="ElementDefinition.type.code : URL of Data type or Resource that is a(or the) type

             used for this element. References are URLs that are relative to http://hl7.org/fhir/Structure
            Definition e.g. &quot;string&quot; is a reference to http://hl7.org/fhir/StructureDefinition/s
            tring. Absolute URLs are only allowed in logical models.">code</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#uri">uri</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Data type or Resource (reference to definition)
            <br/>  Binding:             <a href="valueset-elementdefinition-types.html" title="List of all Types for ElementDefinition.type.code.">Element Definition Types</a>  (            <a href="terminologies.html#extensible" title="To be conformant, the concept in this element SHALL be from the specified value

             set if any of the codes within the value set can apply to the concept being communicated.
              If the value set does not cover the concept (based on human review), alternate
             codings (or, data type allowing, text) may be included instead.">Extensible</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Reference to another Resource"/>              <a href="elementdefinition-definitions.html#ElementDefinition.type.profile" title="ElementDefinition.type.profile : Identifies a profile structure or implementation

             Guide that applies to the datatype this element refers to. If any profiles are
             specified, then the content must conform to at least one of them. The URL can be
             a local reference - to a contained StructureDefinition, or a reference to another
             StructureDefinition or Implementation Guide by a canonical URL. When an implementation
             guide is specified, the type SHALL conform to at least one profile defined in the
             implementation guide.">profile</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#canonical">canonical</a> (            <a href="structuredefinition.html">StructureDefinition</a>  |             <a href="implementationguide.html">ImplementationGuide</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Profiles (StructureDefinition or IG) - one must apply
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Resource"/>              <a href="elementdefinition-definitions.html#ElementDefinition.type.targetProfile" title="ElementDefinition.type.targetProfile : Used when the type is &quot;Reference&quot;

             or &quot;canonical&quot;, and identifies a profile structure or implementation
             Guide that applies to the target of the reference this element refers to. If any
             profiles are specified, then the content must conform to at least one of them.
             The URL can be a local reference - to a contained StructureDefinition, or a reference
             to another StructureDefinition or Implementation Guide by a canonical URL. When
             an implementation guide is specified, the target resource SHALL conform to at least
             one profile defined in the implementation guide.">targetProfile</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#canonical">canonical</a> (            <a href="structuredefinition.html">StructureDefinition</a>  |             <a href="implementationguide.html">ImplementationGuide</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Profile (StructureDefinition or IG) on the Reference/canonical target - one must
             apply
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.type.aggregation" title="ElementDefinition.type.aggregation : If the type is a reference to another resource,

             how the resource is or can be aggregated - is it a contained resource, or a reference,
             and if the context is a bundle, is it included in the bundle.">aggregation</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">contained | referenced | bundled - how aggregated
            <br/>  Binding:             <a href="valueset-resource-aggregation-mode.html" title="How resource references can be aggregated.">AggregationMode</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.type.versioning" title="ElementDefinition.type.versioning : Whether this reference needs to be version

             specific or version independent, or whether either can be used.">versioning</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">either | independent | specific
            <br/>  Binding:             <a href="valueset-reference-version-rules.html" title="Whether a reference needs to be version specific or version independent, or whether

             either can be used.">ReferenceVersionRules</a>  (
            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.defaultValue_x_" title="ElementDefinition.defaultValue[x] : The value that should be used if there is no

             value stated in the instance (e.g. 'if not otherwise specified, the abstract is
             false').">defaultValue[x]</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#open">*</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Specified value if missing from instance
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.meaningWhenMissing" title="ElementDefinition.meaningWhenMissing : The Implicit meaning that is to be understood

             when this element is missing (e.g. 'when this element is missing, the period is
             ongoing').">meaningWhenMissing</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Implicit meaning when this element is missing
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.orderMeaning" title="ElementDefinition.orderMeaning : If present, indicates that the order of the repeating
             element has meaning and describes what that meaning is.  If absent, it means that the
             order of the element has no meaning.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
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            ElementDefinition.fixed[x] : Specifies a value that SHALL be exactly the value  for this
             element in the instance. For purposes of comparison, non-significant whitespace is ignored,
             and all values must be an exact match (case and accent sensitive). Missing elements/attributes
             must also be missing.
          
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           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.pattern[x] : Specifies a value that the value in the instance SHALL
             follow - that is, any value in the pattern must be found in the instance. Other additional
             values may be found too. This is effectively constraint by example.  

When pattern[x] is used to constrain a primitive, it means that the value provided in
             the pattern[x] must match the instance value exactly.

When pattern[x] is used to constrain an array, it means that each element provided in
             the pattern[x] array must (recursively) match at least one element from the instance array.

When pattern[x] is used to constrain a complex object, it means that each property in
             the pattern must be present in the complex object, and its value must recursively match
             -- i.e.,

1. If primitive: it must match exactly the pattern value
2. If a complex object: it must match (recursively) the pattern value
3. If an array: it must match (recursively) the pattern value.
          
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           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            ElementDefinition.example : A sample value for this element demonstrating the type of
             information that would typically be found in the element.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxExample value (as defined for type)
            
          
        

        
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            ElementDefinition.example.label : Describes the purpose of this example amoung the set
             of examples.
          
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           padding:0px 4px 0px 4px
            
          
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           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.example.value[x] : The actual value for the element, which must be one
             of the types allowed for this element.
          
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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            ElementDefinition.minValue[x] : The minimum allowed value for the element. The value is
             inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer,
             and Quantity.
          
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           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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            A date or partial date (e.g. just year or year + month). There is no time zone. The format
             is a union of the schema types gYear, gYearMonth and date.  Dates SHALL be valid dates.
          
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            A date, date-time or partial date (e.g. just year or year + month).  If hours and minutes
             are specified, a time zone SHALL be populated. The format is a union of the schema types
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             but may be zero-filled and may be ignored.                 Dates SHALL be valid dates.
          
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           padding:0px 4px 0px 4px
        

        
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO
            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC
            data: image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
            ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP
            z58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPv
            szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O
            UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i
            f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///wD/ACH5BAEKAH8ALAAAAAAQABAAAAemgH+CgxeFF4OIhBdKGwFChYl/hY
            wbdkoBPnaQkosbG3d3VEpSUlonUoY1Gzo6QkI8SrGxWBOFG4uySgY5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iS
            FVResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuqoTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7 

             element has meaning and describes what that meaning is.  If absent, it means that
             the order of the element has no meaning.">orderMeaning</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">What the order of the elements means
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.fixed_x_" title="ElementDefinition.fixed[x] : Specifies a value that SHALL be exactly the value

              for this element in the instance, if present. For purposes of comparison, non-significant
             whitespace is ignored, and all values must be an exact match (case and accent sensitive).
             Missing elements/attributes must also be missing.">fixed[x]</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#open">*</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Value must be exactly this
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.pattern_x_" title="ElementDefinition.pattern[x] : Specifies a value that each occurrence of the element

             in the instance SHALL follow - that is, any value in the pattern must be found
             in the instance, if the element has a value. Other additional values may be found
             too. This is effectively constraint by example.  
When pattern[x] is used to constrain a primitive, it means that the value provided
             in the pattern[x] must match the instance value exactly.
When an element within a pattern[x] is used to constrain an array, it means that
             each element provided in the pattern[x] must (recursively) match at least one element
             from the instance array.
When pattern[x] is used to constrain a complex object, it means that each property
             in the pattern must be present in the complex object, and its value must recursively
             match -- i.e.,
1. If primitive: it must match exactly the pattern value
2. If a complex object: it must match (recursively) the pattern value
3. If an array: it must match (recursively) the pattern value
If a pattern[x] is declared on a repeating element, the pattern applies to all
             repetitions.  If the desire is for a pattern to apply to only one element or a
             subset of elements, slicing must be used. See [Examples of Patterns](elementdefinition-exampl
            es.html#pattern-examples) for examples of pattern usage and the effect it will have.">pattern[x]</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#open">*</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Value must have at least these property values
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.example" title="ElementDefinition.example : A sample value for this element demonstrating the type

             of information that would typically be found in the element.">example</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Example value (as defined for type)
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.example.label" title="ElementDefinition.example.label : Describes the purpose of this example among the

             set of examples.">label</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Describes the purpose of this example
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.example.value_x_" title="ElementDefinition.example.value[x] : The actual value for the element, which must

             be one of the types allowed for this element.">value[x]</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#open">*</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Value of Example (one of allowed types)
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Choice of Types"/>              <a href="elementdefinition-definitions.html#ElementDefinition.minValue_x_" title="ElementDefinition.minValue[x] : The minimum allowed value for the element. The

             value is inclusive. This is allowed for the types date, dateTime, instant, time,
             decimal, integer, and Quantity.">minValue[x]</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Minimum Allowed Value (for some types)
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="A date or partial date (e.g. just year or year + month). There is no UTC offset.

             The format is a union of the schema types gYear, gYearMonth and date.  Dates SHALL
             be valid dates.">minValueDate</span> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#date">date</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="A date, date-time or partial date (e.g. just year or year + month).  If hours and

             minutes are specified, a UTC offset SHALL be populated. The format is a union of
             the schema types gYear, gYearMonth, date and dateTime. Seconds must be provided
             due to schema type constraints but may be zero-filled and may be ignored.     
                        Dates SHALL be valid dates.">minValueDateTime</span> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#dateTime">dateTime</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="An instant in time - known at least to the second">minValueInstant</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#instant">instant</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="A time during the day, with no date specified">minValueTime</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#time">time</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="A rational number with implicit precision">minValueDecimal</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#decimal">decimal</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="A whole number">minValueInteger</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#integer">integer</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="A very large whole number">minValueInteger64</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#integer64">integer64</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="An integer with a value that is positive (e.g. &gt;0)">minValuePositiveInt</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#positiveInt">positiveInt</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="An integer with a value that is not negative (e.g. &gt;= 0)">minValueUnsignedInt</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#unsignedInt">unsignedInt</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Data Type"/>  
            <span title="A measured amount (or an amount that can potentially be measured). Note that measured
             amounts include amounts that are not precisely quantified, including amounts involving
             arbitrary units and floating currencies.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
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            C1chEZieho8WXXA/2Gn4P39/W+y6V+l3qjP8Njt/lx2izxPYGyv51Oa1EJWZ////////yH5BAEAAB8ALAAAAAAQABAAAAWH4Cd+Xm
            l6Y0pCQts0EKp6GbYshaM/skhjhCChUmFIeL4OsHIxXRAISQTl6SgIG8+FgfBMoh2qtbLZQr0TQJhk3TC4pYPBApiyFVDEwSOf18U
            FXxMWBoUJBn9sDgmDewcJCRyJJBoEkRyYmAABPZQEAAOhA5seFDMaDw8BAQ9TpiokJyWwtLUhADs= 
            ElementDefinition.maxValue[x] : The maximum allowed value for the element. The value is
             inclusive. This is allowed for the types date, dateTime, instant, time, decimal, integer,
             and Quantity.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
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            A date or partial date (e.g. just year or year + month). There is no time zone. The format
             is a union of the schema types gYear, gYearMonth and date.  Dates SHALL be valid dates.
          
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            A date, date-time or partial date (e.g. just year or year + month).  If hours and minutes
             are specified, a time zone SHALL be populated. The format is a union of the schema types
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             but may be zero-filled and may be ignored.                 Dates SHALL be valid dates.
          
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            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO
            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC
            data: image/png;base64,R0lGODlhEAAQAPZ/APrkusOiYvvfqbiXWaV2G+jGhdq1b8GgYf3v1frw3vTUlsWkZNewbcSjY/DQk
            ad4Hb6dXv3u0f3v1ObEgfPTlerJiP3w1v79+e7OkPrfrfnjuNOtZPrpydaxa+/YrvvdpP779ZxvFPvnwKKBQaFyF/369M2vdaqHRP
            z58/HNh/vowufFhfroxO3OkPrluv779tK0e6JzGProwvrow9m4eOnIifPTlPDPkP78+Naxaf3v0/zowfXRi+bFhLWUVv379/rnwPv
            szv3rye3LiPvnv+3MjPDasKiIS/789/3x2f747eXDg+7Mifvu0tu7f+/QkfDTnPXWmPrjsvrjtPbPgrqZW+/QlPz48K2EMv36866O
            UPvowat8Ivvgq/Pbrvzgq/PguvrgrqN0Gda2evfYm9+7d/rpw9q6e/LSku/Rl/XVl/LSlfrkt+zVqe7Wqv3x1/bNffbOf59wFdS6i
            f3u0vrqyP3owPvepfXQivDQkO/PkKh9K7STVf779P///wD/ACH5BAEKAH8ALAAAAAAQABAAAAemgH+CgxeFF4OIhBdKGwFChYl/hY
            wbdkoBPnaQkosbG3d3VEpSUlonUoY1Gzo6QkI8SrGxWBOFG4uySgY5ZWR3PFy2hnaWZXC/PHcPwkpJk1ShoHcxhQEXSUmtFy6+0iS
            FVResrjoTPDzdcoU+F65CduVU6KAhhQa3F8Tx8nchBoYuqoTLZoAKFRIhqGwqJAULFx0GYpBQeChRIR4TJm6KJMhQRUSBAAA7 

             arbitrary units and floating currencies.">minValueQuantity</span> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#Quantity">Quantity</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Choice of Types"/>              <a href="elementdefinition-definitions.html#ElementDefinition.maxValue_x_" title="ElementDefinition.maxValue[x] : The maximum allowed value for the element. The

             value is inclusive. This is allowed for the types date, dateTime, instant, time,
             decimal, integer, and Quantity.">maxValue[x]</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Maximum Allowed Value (for some types)
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="A date or partial date (e.g. just year or year + month). There is no UTC offset.

             The format is a union of the schema types gYear, gYearMonth and date.  Dates SHALL
             be valid dates.">maxValueDate</span> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#date">date</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="A date, date-time or partial date (e.g. just year or year + month).  If hours and

             minutes are specified, a UTC offset SHALL be populated. The format is a union of
             the schema types gYear, gYearMonth, date and dateTime. Seconds must be provided
             due to schema type constraints but may be zero-filled and may be ignored.     
                        Dates SHALL be valid dates.">maxValueDateTime</span> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#dateTime">dateTime</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="An instant in time - known at least to the second">maxValueInstant</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#instant">instant</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="A time during the day, with no date specified">maxValueTime</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#time">time</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="A rational number with implicit precision">maxValueDecimal</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#decimal">decimal</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="A whole number">maxValueInteger</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#integer">integer</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="A very large whole number">maxValueInteger64</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#integer64">integer64</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <span title="An integer with a value that is positive (e.g. &gt;0)">maxValuePositiveInt</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#positiveInt">positiveInt</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <span title="An integer with a value that is not negative (e.g. &gt;= 0)">maxValueUnsignedInt</span>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#unsignedInt">unsignedInt</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Data Type"/>  
            <span title="A measured amount (or an amount that can potentially be measured). Note that measured
             amounts include amounts that are not precisely quantified, including amounts involving
             arbitrary units and floating currencies.
          
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           padding:0px 4px 0px 4px
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           padding:0px 4px 0px 4px
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           padding:0px 4px 0px 4px
            
          
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           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            ElementDefinition.maxLength : Indicates the maximum length in characters that is permitted
             to be present in conformant instances and which is expected to be supported by conformant
             consumers that support the element.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            ElementDefinition.condition : A reference to an invariant that may make additional statements
             about the cardinality or value in the instance.
          
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           padding:0px 4px 0px 4px
            
          
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           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxReference to invariant about presence
            
          
        

        
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            ElementDefinition.constraint : Formal constraints such as co-occurrence and other constraints
             that can be computationally evaluated within the context of the instance.
          
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           padding:0px 4px 0px 4px
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxCondition that must evaluate to true
            
            + Warning: Constraints should have an expression or else validators will not be able to
               enforce them
            
          
        

        
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            ElementDefinition.constraint.key : Allows identification of which elements have their
             cardinalities impacted by the constraint.  Will not be referenced for constraints that
             do not affect cardinality.
          
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           padding:0px 4px 0px 4px
            
            
          
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           padding:0px 4px 0px 4px
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.constraint.requirements : Description of why this constraint is necessary
             or appropriate.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.constraint.severity : Identifies the impact constraint violation has
             on the conformance of the instance.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxerror | warning
            
             (
            )
          
        

        
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            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 

             arbitrary units and floating currencies.">maxValueQuantity</span> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#Quantity">Quantity</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px"/> 
        </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.maxLength" title="ElementDefinition.maxLength : Indicates the maximum length in characters that is

             permitted to be present in conformant instances and which is expected to be supported
             by conformant consumers that support the element. ```maxLength``` SHOULD only be
             used on primitive data types that have a have a length (see [Tupe Characteristics](datatypes.
            html#other) and [[[http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteri
            stics]]]).">maxLength</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#integer">integer</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Max length for string type data
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.condition" title="ElementDefinition.condition : A reference to an invariant that may make additional

             statements about the cardinality or value in the instance.">condition</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#id">id</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Reference to invariant about presence
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.constraint" title="ElementDefinition.constraint : Formal constraints such as co-occurrence and other

             constraints that can be computationally evaluated within the context of the instance.">constraint</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Condition that must evaluate to true
            <br/>              <span style="font-style: italic" title="eld-21">+ Warning: Constraints should have an expression or else validators will not be

               able to enforce them</span> 
            <br/>              <span style="font-style: italic" title="eld-26">+ Rule: Errors cannot be suppressed</span>             <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.constraint.key" title="ElementDefinition.constraint.key : Allows identification of which elements have

             their cardinalities impacted by the constraint.  Will not be referenced for constraints
             that do not affect cardinality.">key</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#id">id</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Target of 'condition' reference above
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.constraint.requirements" title="ElementDefinition.constraint.requirements : Description of why this constraint

             is necessary or appropriate.">requirements</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Why this constraint is necessary or appropriate
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.constraint.severity" title="ElementDefinition.constraint.severity : Identifies the impact constraint violation

             has on the conformance of the instance.">severity</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">error | warning
            <br/>  Binding:             <a href="valueset-constraint-severity.html" title="SHALL applications comply with this constraint?">ConstraintSeverity</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.constraint.suppress" title="ElementDefinition.constraint.suppress : If true, indicates that the warning or

             best practice guideline should be suppressed.">suppress</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Suppress warning or hint in profile
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.constraint.human" title="ElementDefinition.constraint.human : Text that can be used to describe the constraint
             in messages identifying that the constraint has been violated.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.constraint.expression : A [FHIRPath](fhirpath.html) expression of constraint
             that can be executed to see if this constraint is met.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.constraint.xpath : An XPath expression of constraint that can be executed
             to see if this constraint is met.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            padding-left: 3px; padding-right: 3px; border: 1px grey solid; font-weight: bold; color:
             black; background-color: #fff5e6
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzMPbYccAgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAMElEQVQ4y+3OQREAIBDDwA
            v+PQcFFN5MIyCzqHMKUGVCpMFLK97heq+gggoq+EiwAVjvMhFGmlEUAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO
            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxj
            wv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAadEVYdFNvZnR3YXJlAFBhaW50Lk5FVCB2My41LjEwMPRyoQAAAFxJREFUOE/NjE
            EOACEIA/0o/38GGw+agoXYeNnDJDCUDnd/gkoFKhWozJiZI3gLwY6rAgxhsPKTPUzycTl8lAryMyMsVQG6TFi6cHULyz8KOjC7OIQ
            KlQpU3uPjAwhX2CCcGsgOAAAAAElFTkSuQmCC 
            ElementDefinition.constraint.source : A reference to the original source of the constraint,
             for traceability purposes.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            (
            )
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.mustSupport : If true, implementations that produce or consume resources
             SHALL provide &quot;support&quot; for the element in some meaningful way.  If false, the
             element may be ignored and not supported. If false, whether to populate or use the data
             element in any way is at the discretion of the implementation.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzI3XJ6V3QAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+2RsQ0AIAzDav
            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 

             in messages identifying that the constraint has been violated.">human</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Human description of constraint
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.constraint.expression" title="ElementDefinition.constraint.expression : A [FHIRPath](fhirpath.html) expression

             of constraint that can be executed to see if this constraint is met.">expression</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">FHIRPath expression of constraint
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Resource"/>              <a href="elementdefinition-definitions.html#ElementDefinition.constraint.source" title="ElementDefinition.constraint.source : A reference to the original source of the

             constraint, for traceability purposes.">source</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#canonical">canonical</a> (            <a href="structuredefinition.html">StructureDefinition</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Reference to original source of constraint
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.mustHaveValue" title="ElementDefinition.mustHaveValue : Specifies for a primitive data type that the

             value of the data type cannot be replaced by an extension.">mustHaveValue</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">For primitives, that a value must be present - not replaced by an extension
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Resource"/>              <a href="elementdefinition-definitions.html#ElementDefinition.valueAlternatives" title="ElementDefinition.valueAlternatives : Specifies a list of extensions that can appear

             in place of a primitive value.">valueAlternatives</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#canonical">canonical</a> (            <a href="structuredefinition.html">StructureDefinition</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Extensions that are allowed to replace a primitive value
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.mustSupport" title="ElementDefinition.mustSupport : If true, implementations that produce or consume

             resources SHALL provide &quot;support&quot; for the element in some meaningful
             way. Note that this is being phased out and replaced by obligations (see below).
              If false, the element may be ignored and not supported. If false, whether to populate
             or use the data element in any way is at the discretion of the implementation.">mustSupport</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">If the element must be supported (discouraged - see obligations)
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.isModifier" title="ElementDefinition.isModifier : If true, the value of this element affects the interpretation
             of the element or resource that contains it, and the value of the element cannot be ignored.
             Typically, this is used for status, negation and qualification codes. The effect of this
             is that the element cannot be ignored by systems: they SHALL either recognize the element
             and process it, and/or a pre-determination has been made that it is not relevant to their
             particular system.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            7/2VzQwoCY4iWbZSmo1QGoUgNMghvWaIejPQW/CrrNCylIwcOCDYfLNRcNer4SAAAAAElFTkSuQmCC
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            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 

             of the element or resource that contains it, and the value of the element cannot
             be ignored. Typically, this is used for status, negation and qualification codes.
             The effect of this is that the element cannot be ignored by systems: they SHALL
             either recognize the element and process it, and/or a pre-determination has been
             made that it is not relevant to their particular system. When used on the root
             element in an extension definition, this indicates whether or not the extension
             is a modifier extension.">isModifier</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">If this modifies the meaning of other elements
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.isModifierReason" title="ElementDefinition.isModifierReason : Explains how that element affects the interpretation
             of the resource or element that contains it.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.isSummary : Whether the element should be included if a client requests
             a search with the parameter _summary=true.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAL0lEQVR42u3XsQ0AQAgCQHdl/xn8jxvYWB3JlTR0VJLa+OltBwAAYP6EEQAAgC
          sPVYVAgIJrA/sAAAAASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            /npofbjquvNefHVduuyN+uuMu3Oafbgjfnqvf/3zv/3xevPi+vRjP/20/bmsP///wD/ACH5BAEKAB8ALAAAAAAQABAAAAVl4CeOZG
            me5qCqqDg8jyVJaz1876DsmAQAgqDgltspMEhMJoMZ4iy6I1AooFCIv+wKybziALVAoAEjYLwDgGIpJhMslgxaLR4/3rMAWoBp32V
            5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw== 
            ElementDefinition.binding : Binds to a value set if this element is coded (code, Coding,
             CodeableConcept, Quantity), or the data types (string, uri).
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxValueSet details if this is coded
            
            
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMElEQVR42u3QwQkAMAwDsezq/WdoskKgFAoy6HkfV5LamJ1tc7MHAAD+5QQAAO
          CZBkurQFbnaRSlAAAAAElFTkSuQmCC)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
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             of the resource or element that contains it.">isModifierReason</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Reason that this element is marked as a modifier
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" title="ElementDefinition.isSummary : Whether the element should be included if a client

             requests a search with the parameter _summary=true.">isSummary</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Include when _summary = true?
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
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            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding" title="ElementDefinition.binding : Binds to a value set if this element is coded (code,

             Coding, CodeableConcept, Quantity), or the data types (string, uri).">binding</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">ValueSet details if this is coded
            <br/>              <span style="font-style: italic" title="eld-12">+ Rule: ValueSet SHALL start with http:// or https:// or urn: or #</span>             <br/>              <span style="font-style: italic" title="eld-23">+ Rule: binding SHALL have either description or valueSet</span>             <br/>              <span style="font-style: italic" title="eld-32">+ Rule: If the strength is 'descriptive' no value set can ve provided</span>             <br/>              <span style="font-style: italic" title="eld-34">+ Guideline: if there's a required binding with no usage, it should be the base

               binding</span> 
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
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            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>  
            <a href="elementdefinition-definitions.html#ElementDefinition.binding.strength" title="ElementDefinition.binding.strength : Indicates the degree of conformance expectations
             associated with this binding - that is, the degree to which the provided value set must
             be adhered to in the instances.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxrequired | extensible | preferred | example
            
             (
            )
          
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            ElementDefinition.binding.description : Describes the intended use of this particular
             set of codes.
          
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           padding:0px 4px 0px 4px
            
          
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           padding:0px 4px 0px 4px
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            ElementDefinition.binding.valueSet : Refers to the value set that identifies the set of
             codes the binding refers to.
          
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           padding:0px 4px 0px 4px
            
            
          
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           padding:0px 4px 0px 4px
            (
            )
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
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            5exg8Shl1ckRUQVaMVkQ2kCstKCEAOw== 
            ElementDefinition.mapping : Identifies a concept from an external specification that roughly
             corresponds to this element.
          
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          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxMap element to another set of definitions
            
          
        

        
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           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
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            ElementDefinition.mapping.language : Identifies the computable language in which mapping.map
             is expressed.
          
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           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4pxComputable language of mapping
            
             (
            )
          
        

        
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            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
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            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.mapping.map : Expresses what part of the target specification corresponds
             to this element.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(data: image/png;base64,iVBORw0KG
          goAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAI0lEQVR42u3QIQEAAAACIL/6/4MvTAQOkLYBAAB4kAAAANwMad9AqkRjgNAAAA
          AASUVORK5CYII=)
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAAWCAYAAAABxvaqAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIs1vtcMQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAE0lEQVQI12P4//8/AxMDAw
            NdCABMPwMo2ctnoQAAAABJRU5ErkJggg==
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzIZgEiYEgAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAAIElEQVQ4y2P8//8/AyWAiY
            FCMGrAqAGjBowaMGoAAgAALL0DKYQ0DPIAAAAASUVORK5CYII=
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAWCAYAAADJqhx8AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB
            3RJTUUH3wYeFzME+lXFigAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAANklEQVQ4y+3OsRUAIAjEUO
            L+O8cJABttJM11/x1qZAGqRBEVcNIqdWj1efDqQbb3HwwwwEfABmQUHSPM9dtDAAAAAElFTkSuQmCC
            data: image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAR
            klEQVQ4y2P8//8/AyWAhYFCMAgMuHjx4n+KXaCv+I0szW8WpCG8kFO1lGFKW/SIjAUYgxz/MzAwMDC+nqhDUTQyjuYFBgCNmhP4Ov
            TRgwAAAABJRU5ErkJggg== 
            ElementDefinition.mapping.comment : Comments that provide information about the mapping
             or its use.
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
            
          
          vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid;
           padding:0px 4px 0px 4px
        

        
          
            
            
               Documentation for this format
            
          
        
      
    
  
  
    
  
  
    
  
  
  
  
  
  
  
  
    
      
      
    
  
  Base StructureDefinition for ElementDefinition Type: Captures constraints on each element
   within the resource, profile, or extension.
  
  
    
    
    
  
  
    
    
    
  
  
    
    
    
  
  
    
    
    
  
  
    
    
    
  
  
  
  
  
  
  
    
      
        
      
      
        
      
      
      
      
      
      
      
        
        
        
      
      
        
        
        
        
        not(exists(f:min)) or not(exists(f:max)) or (not(f:max/@value) and not(f:min/@value))
         or (f:max/@value = '*') or (number(f:max/@value) &gt;= f:min/@value)
      
      
        
        
        if the element definition has a contentReference, it cannot have type, defaultValue, fixed,
         pattern, example, minValue, maxValue, maxLength, or binding
        contentReference.empty() or (type.empty() and defaultValue.empty() and fixed.empty() and
         pattern.empty() and example.empty() and minValue.empty() and maxValue.empty() and maxLength.empty()
         and binding.empty())
        not(exists(f:contentReference) and (exists(f:type) or exists(f:*[starts-with(local-name(.),
         'value')]) or exists(f:*[starts-with(local-name(.), 'defaultValue')])  or exists(f:*[starts-with(loc
        al-name(.), 'fixed')]) or exists(f:*[starts-with(local-name(.), 'pattern')]) or exists(f:*[starts-wit
        h(local-name(.), 'example')]) or exists(f:*[starts-with(local-name(.), 'f:minValue')])
         or exists(f:*[starts-with(local-name(.), 'f:maxValue')]) or exists(f:maxLength) or exists(f:binding)
        ))
      
      
        
        
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        not(exists(f:*[starts-with(local-name(.), 'pattern')])) or not(exists(f:*[starts-with(local-name(.),
         'fixed')]))
      
      
        
        
        
        binding.empty() or type.code.empty() or type.select((code = 'code') or (code = 'Coding')
         or (code='CodeableConcept') or (code = 'Quantity') or (code = 'string') or (code = 'uri')).exists()
        not(exists(f:binding)) or (count(f:type/f:code) = 0) or  f:type/f:code/@value=('code','Coding','Code
        ableConcept','Quantity','string', 'uri')
      
      
        
        
        
        
        not(exists(for $type in f:type return $type/preceding-sibling::f:type[f:code/@value=$type/f:code/@va
        lue]))
      
      
        
        
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        path.matches('[^\\s\\.,:;\\\'&quot;\\/|?!@#$%&amp;*()\\[\\]{}]{1,64}(\\.[^\\s\\.,:;\\\'&quot;\\/|?!@
        #$%&amp;*()\\[\\]{}]{1,64}(\\[x\\])?(\\:[^\\s\\.]+)?)*')
        matches(path/@value, '[^\s\.,:;\'&amp;quot;\/|?!@#$%&amp;amp;*()\[\]{}]{1,64}(\.[^\s\.,:;\'&amp;quot
        ;\/|?!@#$%&amp;amp;*()\[\]{}]{1,64}(\[x\])?(\:[^\s\.]+)?)*')
      
      
        
        
        Element names should be simple alphanumerics with a max of 64 characters, or code generation
         tools may be broken
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

             associated with this binding - that is, the degree to which the provided value
             set must be adhered to in the instances.">strength</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">required | extensible | preferred | example | descriptive
            <br/>  Binding:             <a href="valueset-binding-strength.html" title="Indication of the degree of conformance expectations associated with a binding.">BindingStrength</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.description" title="ElementDefinition.binding.description : Free-text guidance on the codes that are

             appropriate for this element.">description</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="languages.html#translatable" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is a candidate for being translated">T</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Guidance on the codes to be used
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3LMQoAIBA
          Dwftr/v8GtdbqEAthAtMspJJUx9rYW8ftHwAA+NcRAAAAXplLq0BWj/rZigAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Resource"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.valueSet" title="ElementDefinition.binding.valueSet : Refers to the value set that identifies the

             set of codes the binding refers to.">valueSet</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#canonical">canonical</a> (            <a href="valueset.html">ValueSet</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Source of value set
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional" title="ElementDefinition.binding.additional : Additional bindings that help applications

             implementing this element. Additional bindings do not replace the main binding
             but provide more information and/or context.">additional</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Additional Bindings - more rules about the binding
            <br/>              <span style="font-style: italic" title="eld-31">+ Guideline: additionalBindings should have a key</span>             <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3NoQ0AIBR
          Dwb9r958B0KAgAcw1OfNMK0ntGGtze+n3PwAAcG4JAAAAt3RWK0BWYk6o4QAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional.key" title="ElementDefinition.binding.additional.key : A unique identifier for the additional

             binding within the element that allows additional bindings to be matched across
             profiles.">key</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#id">id</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Unique identifier so additional bindings to be matched across profiles
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3NoQ0AIBR
          Dwb9r958B0KAgAcw1OfNMK0ntGGtze+n3PwAAcG4JAAAAt3RWK0BWYk6o4QAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional.purpose" title="ElementDefinition.binding.additional.purpose : The use of this additional binding.">purpose</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">maximum | minimum | required | extensible | candidate | current | current-extensible
             | best-practice | preferred | ui | starter | component
            <br/>  Binding:             <a href="valueset-additional-binding-purpose.html" title="The use of an additional binding.">Additional Binding Purpose ValueSet</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3NoQ0AIBR
          Dwb9r958B0KAgAcw1OfNMK0ntGGtze+n3PwAAcG4JAAAAt3RWK0BWYk6o4QAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Reference to another Resource"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional.valueSet" title="ElementDefinition.binding.additional.valueSet : The valueSet that is being bound

             for the purpose.">valueSet</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#canonical">canonical</a> (            <a href="valueset.html">ValueSet</a> )          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">The value set for the additional binding
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3NoQ0AIBR
          Dwb9r958B0KAgAcw1OfNMK0ntGGtze+n3PwAAcG4JAAAAt3RWK0BWYk6o4QAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional.documentation" title="ElementDefinition.binding.additional.documentation : Documentation of the purpose

             of use of the binding, providing additional information about how it is intended
             to be used.">documentation</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Documentation of the purpose of use of the binding
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3NoQ0AIBR
          Dwb9r958B0KAgAcw1OfNMK0ntGGtze+n3PwAAcG4JAAAAt3RWK0BWYk6o4QAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional.shortDoco" title="ElementDefinition.binding.additional.shortDoco : Concise documentation - for summary

             tables.">shortDoco</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Concise documentation - for summary tables
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAMUlEQVR4Xu3NoQ0AIBR
          Dwb9r958B0KAgAcw1OfNMK0ntGGtze+n3PwAAcG4JAAAAt3RWK0BWYk6o4QAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional.usage" title="ElementDefinition.binding.additional.usage : Qualifies the usage of the binding.

             Typically bindings are qualified by jurisdiction, but they may also be qualified
             by gender, workflow status, clinical domain etc. The information to decide whether
             a usage context applies is usually outside the resource, determined by context,
             and this might present challenges for validation tooling.">usage</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="metadatatypes.html#UsageContext">UsageContext</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Qualifies the usage - jurisdiction, gender, workflow status etc.
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALUlEQVR4Xu3IoREAIAw
          EwfT6/ddA0GBAxO3NrLlKUj9263wAAAAvrgEAADClAVWFQIBRHMicAAAAAElFTkSuQmCC)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.binding.additional.any" title="ElementDefinition.binding.additional.any : Whether the binding applies to all repeats,

             or just to any one of them. This is only relevant for elements that can repeat.">any</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#boolean">boolean</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Whether binding can applies to all repeats, or just one
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAJUlEQVR4Xu3IIQEAAAg
          DsHd9/w4EQIOamFnaBgAA4MMKAACAKwNp30CqZFfFmwAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Element"/>              <a href="elementdefinition-definitions.html#ElementDefinition.mapping" title="ElementDefinition.mapping : Identifies a concept from an external specification

             that roughly corresponds to this element.">mapping</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..*</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="types.html#Element">Element</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Map element to another set of definitions
            <br/>              <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR4Xu3IsQ0AIAw
          Esez6+89AqKGGJj7JzVWS+mm3zgcAAMxwDQAAgFcaYAVAgNGLTjgAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.mapping.identity" title="ElementDefinition.mapping.identity : An internal reference to the definition of

             a mapping.">identity</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
            <a href="conformance-rules.html#constraints" style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold;

             color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px;
             border: 1px maroon solid; font-weight: bold; color: #301212; background-color:
             #fdf4f4;" title="This element has or is affected by some invariants">C</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#id">id</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Reference to mapping declaration
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR4Xu3IsQ0AIAw
          Esez6+89AqKGGJj7JzVWS+mm3zgcAAMxwDQAAgFcaYAVAgNGLTjgAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.mapping.language" title="ElementDefinition.mapping.language : Identifies the computable language in which

             mapping.map is expressed.">language</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#code">code</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Computable language of mapping
            <br/>  Binding:             <a href="valueset-mimetypes.html" title="The mime type of an attachment. Any valid mime type is allowed.">Mime Types</a>  (            <a href="terminologies.html#required" title="To be conformant, the concept in this element SHALL be from the specified value

             set.">Required</a> )
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         #F7F7F7">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAALElEQVR4Xu3IsQ0AIAw
          Esez6+89AqKGGJj7JzVWS+mm3zgcAAMxwDQAAgFcaYAVAgNGLTjgAAAAASUVORK5CYII=)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: #F7F7F7; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.mapping.map" title="ElementDefinition.mapping.map : Expresses what part of the target specification

             corresponds to this element.">map</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">1..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#string">string</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Details of the mapping
            <br/>            </td>         </tr>         <tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color:

         white">
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image:
           url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAyAAAAACCAYAAACg/LjIAAAAJUlEQVR4Xu3IIQEAAAg
          DsHd9/w4EQIOamFnaBgAA4MMKAACAKwNp30CqZFfFmwAAAABJRU5ErkJggg==)">
            <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: inherit"/>             <img alt="." class="hierarchy" src="data:(snipped in html view)" style="background-color: white; background-color: inherit" title="Primitive Data Type"/>              <a href="elementdefinition-definitions.html#ElementDefinition.mapping.comment" title="ElementDefinition.mapping.comment : Comments that provide information about the

             mapping or its use.">comment</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="elementdefinition-definitions.html#ElementDefinition.isSummary" style="padding-left: 3px; padding-right: 3px; color: black; null; padding-left: 3px; padding-right:

             3px; color: black; null" title="This element is included in summaries">Σ</a> 
          </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">0..1</td> 
          <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">
            <a href="datatypes.html#markdown">markdown</a>           </td>           <td class="hierarchy" style="vertical-align: top; text-align : var(--ig-left,left); background-color: white;

           border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px">Comments about the mapping or its use
            <br/>            </td>         </tr>         <tr>           <td class="hierarchy" colspan="5">            <br/>              <a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format">              <img alt="doco" src="data:(snipped in html view)" style="background-color: inherit"/>  Documentation for this format            </a>           </td>         </tr>       </table>     </div>   </text>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">    <valueCode value="normative"/>   </extension>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">    <valueCode value="fhir"/>   </extension>   <url value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>   <version value="6.0.0-ballot3"/>   <name value="ElementDefinition"/>   <status value="active"/>   <experimental value="false"/>   <date value="2025-11-08T11:23:29+00:00"/>   <publisher value="HL7 International / FHIR Infrastructure"/>   <contact>     <telecom>       <system value="url"/>       <value value="http://hl7.org/fhir"/>     </telecom>   </contact>   <contact>     <telecom>       <system value="url"/>       <value value="http://www.hl7.org/Special/committees/fiwg"/>     </telecom>   </contact>   <description value="ElementDefinition Type: Captures constraints on each element within the resource,

   profile, or extension."/> 
  <jurisdiction>     <coding>       <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>       <code value="001"/>       <display value="World"/>     </coding>   </jurisdiction>   <fhirVersion value="6.0.0-ballot3"/>   <mapping>     <identity value="v2"/>     <uri value="http://hl7.org/v2"/>     <name value="HL7 V2 Mapping"/>   </mapping>   <mapping>     <identity value="rim"/>     <uri value="http://hl7.org/v3"/>     <name value="RIM Mapping"/>   </mapping>   <mapping>     <identity value="dex"/>     <uri value="http://ihe.net/data-element-exchange"/>     <name value="IHE Data Element Exchange (DEX)"/>   </mapping>   <mapping>     <identity value="iso11179"/>     <uri value="http://metadata-standards.org/11179/"/>     <name value="ISO 11179"/>   </mapping>   <kind value="complex-type"/>   <abstract value="false"/>   <type value="ElementDefinition"/>   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/BackboneType"/>   <derivation value="specialization"/>   <snapshot>     <element id="ElementDefinition">      <path value="ElementDefinition"/>       <short value="Definition of an element in a resource or extension"/>       <definition value="Captures constraints on each element within the resource, profile, or extension."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition"/>         <min value="0"/>         <max value="*"/>       </base>       <constraint>         <key value="eld-2"/>         <severity value="error"/>         <human value="Min &lt;= Max"/>         <expression value="min.empty() or max.empty() or (max = '*') or iif(max != '*', min &lt;= max.toInteger())"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-5"/>         <severity value="error"/>         <human value="if the element definition has a contentReference, it cannot have type, defaultValue,

         fixed, pattern, example, minValue, maxValue, maxLength, or binding"/> 
        <expression value="contentReference.empty() or (type.empty() and defaultValue.empty() and fixed.empty()

         and pattern.empty() and example.empty() and minValue.empty() and maxValue.empty()
         and maxLength.empty() and binding.empty())"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-6"/>         <severity value="error"/>         <human value="Fixed value may only be specified if there is one type"/>         <expression value="fixed.empty() or (type.count()  &lt;= 1)"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-7"/>         <severity value="error"/>         <human value="Pattern may only be specified if there is one type"/>         <expression value="pattern.empty() or (type.count() &lt;= 1)"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-8"/>         <severity value="error"/>         <human value="Pattern and fixed are mutually exclusive"/>         <expression value="pattern.empty() or fixed.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-11"/>         <severity value="error"/>         <human value="Binding can only be present for coded elements, string, and uri if using FHIR-defined

         types"/> 
        <expression value="binding.empty() or type.code.empty() or type.code.contains(':') or type.select((code

         = 'code') or (code = 'Coding') or (code='CodeableConcept') or (code = 'Quantity')
         or (code = 'string') or (code = 'uri') or (code = 'Duration')).exists()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-13"/>         <severity value="error"/>         <human value="Types must be unique by code"/>         <expression value="type.select(code).isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-14"/>         <severity value="error"/>         <human value="Constraints must be unique by key"/>         <expression value="constraint.select(key).isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-15"/>         <severity value="error"/>         <human value="default value and meaningWhenMissing are mutually exclusive"/>         <expression value="defaultValue.empty() or meaningWhenMissing.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-16"/>         <severity value="error"/>         <human value="sliceName must be composed of proper tokens separated by &quot;/&quot;"/>         <expression value="sliceName.empty() or sliceName.matches('^[a-zA-Z0-9\\/\\-_\\[\\]\\@]+$')"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-18"/>         <severity value="error"/>         <human value="Must have a modifier reason if isModifier = true"/>         <expression value="(isModifier.exists() and isModifier) implies isModifierReason.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-19"/>         <severity value="error"/>         <human value="Element path SHALL be expressed as a set of '.'-separated components with each

         component restricted to a maximum of 64 characters and with some limits on the
         allowed choice of characters"/> 
        <expression value="path.matches('^[^\\s\\.,:;\\\'&quot;\\/|?!@#$%&amp;*()\\[\\]{}]{1,64}(\\.[^\\s\\.,:;\\\'&quot

        ;\\/|?!@#$%&amp;*()\\[\\]{}]{1,64}(\\[x\\])?(\\:[^\\s\\.]+)?)*$')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-20"/>         <severity value="warning"/>         <human value="The first component of the path should be UpperCamelCase.  Additional components

         (following a '.') should be lowerCamelCase.  If this syntax is not adhered to,
         code generation tools may be broken. Logical models may be less concerned about
         this implication."/> 
        <expression value="path.matches('^[A-Za-z][A-Za-z0-9]{0,63}(\\.[a-z][A-Za-z0-9]{0,63}(\\[x])?)*$')"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-22"/>         <severity value="error"/>         <human value="sliceIsConstraining can only appear if slicename is present"/>         <expression value="sliceIsConstraining.exists() implies sliceName.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">          <valueBoolean value="true"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">          <valueMarkdown value="pattern[x] is generally preferred over fixed[x] because it doesn't preclude the

           use of id and additional extensions, though there are corner cases when it's appropriate
           to exclude those"/> 
        </extension>         <key value="eld-24"/>         <severity value="warning"/>         <human value="pattern[x] should be used rather than fixed[x]"/>         <expression value="fixed.exists().not()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-25"/>         <severity value="warning"/>         <human value="Order has no meaning (and cannot be asserted to have meaning), so enforcing rules

         on order is improper"/> 
        <expression value="orderMeaning.empty() implies slicing.where(rules='openAtEnd' or ordered).exists().not()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-27"/>         <severity value="warning"/>         <human value="Mappings SHOULD be unique by key"/>         <expression value="mapping.select(identity).isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-28"/>         <severity value="error"/>         <human value="Can't have valueAlternatives if mustHaveValue is true"/>         <expression value="mustHaveValue.value implies valueAlternatives.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-33"/>         <severity value="warning"/>         <human value="If there's more than one bindable type, it's usually an error for there to be a

         binding"/> 
        <expression value="type.where(code in 'code' | 'Coding' | 'CodeableConcept' | 'CodeableReference'

         | 'uri' | 'string' | 'Quantity').count() &gt; 1 implies binding.empty()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a,Observation[classCode=OBS, moodCode=DEFN]"/>       </mapping>       <mapping>         <identity value="v2"/>         <map value="OM1"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="RetrieveMetadata response"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Data_Element"/>       </mapping>     </element>     <element id="ElementDefinition.id">      <path value="ElementDefinition.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.extension">      <path value="ElementDefinition.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.modifierExtension">      <path value="ElementDefinition.modifierExtension"/>       <short value="Extensions that cannot be ignored even if unrecognized"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element and that modifies the understanding of the element in which it is contained
       and/or the understanding of the containing element's descendants. Usually modifier elements
       provide negation or qualification. To make the use of extensions safe and manageable,
       there is a strict set of governance applied to the definition and use of extensions. Though
       any implementer can define an extension, there is a set of requirements that SHALL be
       met as part of the definition of the extension. Applications processing a resource are
       required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource
       (including cannot change the meaning of modifierExtension itself).
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly
       distinguished from the vast majority of extensions which can be safely ignored.  This
       promotes interoperability by eliminating the need for implementers to prohibit the presence
       of extensions. For further information, see the [definition of modifier extensions](extensibility.ht
      ml#modifierExtension).
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      Modifier extensions are expected to modify the meaning or interpretation of the element
       that contains them
      
      
        
        
      
    
    
      
      
      The path identifies the element and is expressed as a &quot;.&quot;-separated list of
       ancestor elements, beginning with the name of the resource or extension.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Codes that define how this element is represented in instances, when the deviation varies
       from the normal case.
      In resources, this is rarely used except for special cases where the representation deviates
       from the normal, and can only be done in the base standard (and profiles must reproduce
       what the base standard does). This element is used quite commonly in Logical models when
       the logical models represent a specific serialization format (e.g. CDA, v2 etc.).
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      The name of this element definition slice, when slicing is working. The name must be a
       token with no dots or spaces. This is a unique name referring to a specific set of constraints
       applied to this element, used to provide a name to different slices of the same element.
      The name SHALL be unique within the structure within the context of the constrained resource
       element.  (Though to avoid confusion, uniqueness across all elements is recommended.).
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      If true, indicates that this slice definition is constraining a slice definition with
       the same name in an inherited profile. If false, the slice is not overriding any slice
       in an inherited profile. If missing, the slice might or might not be overriding a slice
       in an inherited profile, depending on the sliceName.
      If set to true, an ancestor profile SHALL have a slicing definition with this name.  If
       set to false, no ancestor profile is permitted to have a slicing definition with this
       name.
      Allows detection of a situation where an ancestor profile adds or removes slicing with
       the same name where that might impact the child profile.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      A single preferred label which is the text to display beside the element indicating its
       meaning or to use to prompt for the element in a user display or form.
      See also the extension (http://hl7.org/fhir/StructureDefinition/elementdefinition-question)[extensio
      n-elementdefinition-question.html].
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      The concept SHALL be properly aligned with the data element definition and other constraints,
       as defined in the code system, including relationships, of any code listed here.  Where
       multiple codes exist in a terminology that could correspond to the data element, the most
       granular code(s) should be selected, so long as they are not more restrictive than the
       data element itself. The mappings may be used to provide more or less granular or structured
       equivalences in the code system.
      Links the meaning of an element to an external terminology, and is very useful for searching
       and indexing.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Indicates that the element is sliced into a set of alternative definitions (i.e. in a
       structure definition, there are multiple different constraints on a single element in
       the base resource). Slicing can be used in any resource that has cardinality ..* on the
       base resource, or any resource with a choice of types. The set of slices is any elements
       that come after this in the element sequence that have the same path, until a shorter
       path occurs (the shorter path terminates the set).

       of the element and that modifies the understanding of the element in which it is
       contained and/or the understanding of the containing element's descendants. Usually
       modifier elements provide negation or qualification. To make the use of extensions
       safe and managable, there is a strict set of governance applied to the definition
       and use of extensions. Though any implementer can define an extension, there is
       a set of requirements that SHALL be met as part of the definition of the extension.
       Applications processing a resource are required to check for modifier extensions.
Modifier extensions SHALL NOT change the meaning of any elements on Resource or
       DomainResource (including cannot change the meaning of modifierExtension itself)."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <requirements value="Modifier extensions allow for extensions that *cannot* be safely ignored to be

       clearly distinguished from the vast majority of extensions which can be safely
       ignored.  This promotes interoperability by eliminating the need for implementers
       to prohibit the presence of extensions. For further information, see the [definition
       of modifier extensions](extensibility.html#modifierExtension)."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <alias value="modifiers"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="BackboneType.modifierExtension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="true"/>       <isModifierReason value="Modifier extensions are expected to modify the meaning or interpretation of the

       element that contains them"/> 
      <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.path">      <path value="ElementDefinition.path"/>       <short value="Path of the element in the hierarchy of elements"/>       <definition value="The path identifies the element and is expressed as a &quot;.&quot;-separated list

       of ancestor elements, beginning with the name of the resource or extension."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.path"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <condition value="eld-19"/>       <condition value="eld-20"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Name, Identifier &amp; Context"/>       </mapping>     </element>     <element id="ElementDefinition.representation">      <path value="ElementDefinition.representation"/>       <short value="xmlAttr | xmlText | typeAttr | cdaText | xhtml"/>       <definition value="Codes that define how this element is represented in instances, when the deviation

       varies from the normal case. No extensions are allowed on elements with a representation
       of 'xmlAttr', no matter what FHIR serialization format is used."/> 
      <comment value="In resources, this is rarely used except for special cases where the representation

       deviates from the normal, and can only be done in the base standard (and profiles
       must reproduce what the base standard does). This element is used quite commonly
       in Logical models when the logical models represent a specific serialization format
       (e.g. CDA, v2 etc.)."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.representation"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="code"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How a property is represented when serialized."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="PropertyRepresentation"/>         </extension>         <strength value="required"/>         <description value="How a property is represented when serialized."/>         <valueSet value="http://hl7.org/fhir/ValueSet/property-representation|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.sliceName">      <path value="ElementDefinition.sliceName"/>       <short value="Name for this particular element (in a set of slices)"/>       <definition value="The name of this element definition slice, when slicing is working. The name must

       be a token with no dots or spaces. This is a unique name referring to a specific
       set of constraints applied to this element, used to provide a name to different
       slices of the same element."/> 
      <comment value="The name SHALL be unique within the structure within the context of the constrained

       resource element.  (Though to avoid confusion, uniqueness across all elements is
       recommended.)."/> 
      <requirements value="May also be used for code generation purposes."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.sliceName"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <condition value="eld-22"/>       <condition value="eld-16"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.sliceIsConstraining">      <path value="ElementDefinition.sliceIsConstraining"/>       <short value="If this slice definition constrains an inherited slice definition (or not)"/>       <definition value="If true, indicates that this slice definition is constraining a slice definition

       with the same name in an inherited profile. If false, the slice is not overriding
       any slice in an inherited profile. If missing, the slice might or might not be
       overriding a slice in an inherited profile, depending on the sliceName."/> 
      <comment value="If set to true, an ancestor profile SHALL have a slicing definition with this name.

        If set to false, no ancestor profile is permitted to have a slicing definition
       with this name."/> 
      <requirements value="Allows detection of a situation where an ancestor profile adds or removes slicing

       with the same name where that might impact the child profile."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.sliceIsConstraining"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <condition value="eld-22"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.label">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.label"/>       <short value="String to display with or prompt for element"/>       <definition value="A single preferred label which is the text to display beside the element indicating

       its meaning or to use to prompt for the element in a user display or form."/> 
      <comment value="See also the extension [http://hl7.org/fhir/StructureDefinition/elementdefinition-question](h

      ttps://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-elementdefinition-question.ht
      ml)."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.label"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./code/display"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.code">      <path value="ElementDefinition.code"/>       <short value="Corresponding codes in terminologies"/>       <definition value="A code that has the same meaning as the element in a particular terminology."/>       <comment value="The concept SHALL be properly aligned with the data element definition and other

       constraints, as defined in the code system, including relationships, of any code
       listed here.  Where multiple codes exist in a terminology that could correspond
       to the data element, the most granular code(s) should be selected, so long as they
       are not more restrictive than the data element itself. The mappings may be used
       to provide more or less granular or structured equivalences in the code system.
This is used for both mapping to formal terminologies as well as to informal collections
       of data elements provided they can be treated as a 'system' (i.e. a single namespace
       with a canonical URI).  For mappings to more complex structures not identifiable
       with a single id, use the ElementDefinition.mapping structure."/> 
      <requirements value="Links the meaning of an element to an external terminology, and is very useful

       for searching and indexing."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.code"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Coding"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="Codes that indicate the meaning of a data element."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ElementDefinitionCode"/>         </extension>         <strength value="example"/>         <description value="Codes that indicate the meaning of a data element."/>         <valueSet value="http://loinc.org/vs"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="OM1.7"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./code (root or translation)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Data_Element).data_element_concept.identifier"/>       </mapping>     </element>     <element id="ElementDefinition.slicing">      <path value="ElementDefinition.slicing"/>       <short value="This element is sliced - slices follow"/>       <definition value="Indicates that the element is sliced into a set of alternative definitions (i.e.

       in a structure definition, there are multiple different constraints on a single
       element in the base resource). Slicing can be used in any resource that has cardinality
       ..* on the base resource, or any resource with a choice of types. The set of slices
       is any elements that come after this in the element sequence that have the same
       path, until a shorter path occurs (the shorter path terminates the set)."/> 

      <comment value="The first element in the sequence, the one that carries the slicing, is the definition
       that applies to all the slices. This is based on the unconstrained element, but can apply
       any constraints as appropriate. This may include the common constraints on the children
       of the element.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

       that applies to all the slices. This is based on the unconstrained element, but
       can apply any constraints as appropriate. This may include the common constraints
       on the children of the element."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.slicing"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="Element"/>       </type>       <condition value="eld-25"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.id">      <path value="ElementDefinition.slicing.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.extension">      <path value="ElementDefinition.slicing.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      Designates which child elements are used to discriminate between the slices when processing
       an instance. If one or more discriminators are provided, the value of the child elements
       in the instance data SHALL completely distinguish which slice the element in the resource
       matches based on the allowed values for those elements in each of the slices.
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator">      <path value="ElementDefinition.slicing.discriminator"/>       <short value="Element values that are used to distinguish the slices"/>       <definition value="Designates which child elements are used to discriminate between the slices when

       processing an instance. If one or more discriminators are provided, the values
       of the child elements in the instance data SHALL completely distinguish which slice
       the element in the resource matches based on the allowed values for those elements
       in each of the slices."/> 
      <comment value="If there is no discriminator, the content is hard to process, so this should be

       avoided."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.slicing.discriminator"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Element"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator.id">      <path value="ElementDefinition.slicing.discriminator.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator.extension">      <path value="ElementDefinition.slicing.discriminator.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
    
    
      
      
      A FHIRPath expression, using [the simple subset of FHIRPath](fhirpath.html#simple), that
       is used to identify the element on which discrimination is based.
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator.type">      <path value="ElementDefinition.slicing.discriminator.type"/>       <short value="value | exists | type | profile | position"/>       <definition value="How the element value is interpreted when discrimination is evaluated."/>       <comment value="'pattern' is deprecated - it works exactly the same as 'value'."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.slicing.discriminator.type"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="code"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How an element value is interpreted when discrimination is evaluated."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="DiscriminatorType"/>         </extension>         <strength value="required"/>         <description value="How an element value is interpreted when discrimination is evaluated."/>         <valueSet value="http://hl7.org/fhir/ValueSet/discriminator-type|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator.path">      <path value="ElementDefinition.slicing.discriminator.path"/>       <short value="Path to element value"/>       <definition value="A FHIRPath expression, using [the simple subset of FHIRPath](fhirpath.html#simple),

       that is used to identify the element on which discrimination is based."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.slicing.discriminator.path"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.description">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.slicing.description"/>       <short value="Text description of how slicing works (or not)"/> 
      <definition value="A human-readable text description of how the slicing works. If there is no discriminator,
       this is required to be present to provide whatever information is possible about how the
       slices can be differentiated.
      If it's really not possible to differentiate them, the design should be re-evaluated to
       make the content usable.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      

       this is required to be present to provide whatever information is possible about
       how the slices can be differentiated."/> 
      <comment value="If it's really not possible to differentiate them, the design should be re-evaluated

       to make the content usable."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.slicing.description"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.ordered">      <path value="ElementDefinition.slicing.ordered"/>       <short value="If elements must be in same order as slices"/>       <definition value="If the matching elements have to occur in the same order as defined in the profile."/> 
      <comment value="Order should only be required when it is a pressing concern for presentation. Profile
       authors should consider making the order a feature of the rules about the narrative, not
       the rules about the data - requiring ordered data makes the profile much less re-usable.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Whether additional slices are allowed or not. When the slices are ordered, profile authors
       can also say that additional slices are only allowed at the end.
      Allowing additional elements makes for a much for flexible template - it's open for use
       in wider contexts, but also means that the content of the resource is not closed, and
       applications have to decide how to handle content not described by the profile.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      
      It is easy for a different short definition to change the meaning of an element and this
       can have nasty downstream consequences. Please be careful when providing short definitions
       in a profile.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

       authors should consider making the order a feature of the rules about the narrative,
       not the rules about the data - requiring ordered data makes the profile much less
       re-usable."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.slicing.ordered"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="Order is not required unless specified"/>       <condition value="eld-25"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.rules">      <path value="ElementDefinition.slicing.rules"/>       <short value="closed | open | openAtEnd"/>       <definition value="Whether additional slices are allowed or not. When the slices are ordered, profile

       authors can also say that additional slices are only allowed at the end."/> 
      <comment value="Allowing additional elements makes for a much for flexible template - it's open

       for use in wider contexts, but also means that the content of the resource is not
       closed, and applications have to decide how to handle content not described by
       the profile."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.slicing.rules"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="code"/>       </type>       <condition value="eld-25"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How slices are interpreted when evaluating an instance."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="SlicingRules"/>         </extension>         <strength value="required"/>         <description value="How slices are interpreted when evaluating an instance."/>         <valueSet value="http://hl7.org/fhir/ValueSet/resource-slicing-rules|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.short">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.short"/>       <short value="Concise definition for space-constrained presentation"/>       <definition value="A concise description of what this element means (e.g. for use in autogenerated

       summaries)."/> 
      <comment value="It is easy for a different short definition to change the meaning of an element

       and this can have nasty downstream consequences. Please be careful when providing
       short definitions in a profile."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.short"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.definition">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.definition"/>       <short value="Full formal definition as narrative text"/> 
      <definition value="Provides a complete explanation of the meaning of the data element for human readability.
        For the case of elements derived from existing elements (e.g. constraints), the definition
       SHALL be consistent with the base definition, but convey the meaning of the element in
       the particular context of use of the resource. (Note: The text you are reading is specified
       in ElementDefinition.definition).
      It is easy for a different definition to change the meaning of an element and this can
       have nasty downstream consequences. Please be careful when providing definitions in a
       profile.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      Explanatory notes and implementation guidance about the data element, including notes
       about how to use the data properly, exceptions to proper use, etc. (Note: The text you
       are reading is specified in ElementDefinition.comment).
      If it is possible to capture usage rules using constraints, that mechanism should be used
       in preference to this element.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

        For the case of elements derived from existing elements (e.g. constraints), the
       definition SHALL be consistent with the base definition, but convey the meaning
       of the element in the particular context of use of the resource. (Note: The text
       you are reading is specified in ElementDefinition.definition)."/> 
      <comment value="It is easy for a different definition to change the meaning of an element and this

       can have nasty downstream consequences. Please be careful when providing definitions
       in a profile."/> 
      <requirements value="To allow a user to state the usage of an element in a particular context."/>       <alias value="Description"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.definition"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM1.6, OM1.41"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./text"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Designatable_Item).definition.text  acceptability=preferred in default context"/>       </mapping>     </element>     <element id="ElementDefinition.comment">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.comment"/>       <short value="Comments about the use of this element"/>       <definition value="Explanatory notes and implementation guidance about the data element, including

       notes about how to use the data properly, exceptions to proper use, etc. (Note:
       The text you are reading is specified in ElementDefinition.comment)."/> 
      <comment value="If it is possible to capture usage rules using constraints, that mechanism should

       be used in preference to this element."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.comment"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="NTE, OM1.32, OM1.33, OM1.39"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./inboundRelationship[typeCode=SUBJ]/source[classCode=LIST, moodCode=EVN]/code"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Administered_Item).explanatory_comment"/>       </mapping>     </element>     <element id="ElementDefinition.requirements">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.requirements"/>       <short value="Requirements satisfied by this element/structure and its constraints"/> 
      <definition value="This element is for traceability of why the element was created and why the constraints
       exist as they do. This may be used to point to source materials or specifications that
       drove the structure of this element.
      This element does not describe the usage of the element (that's done in comments), rather
       it's for traceability of *why* the element is either needed or why the constraints exist
       as they do.  This may be used to point to source materials or specifications that drove
       the structure of this data element.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        ./inboundRelationship[typeCode=META]/source[classCode=ACT, moodCode=EVN, isCriterionInd=true]/reason
        Code/originalText
      
      
        
        
      
    
    
      
        
      
      
      
      

       exist as they do. This may be used to point to source materials or specifications
       that drove the structure of this element."/> 
      <comment value="This element does not describe the usage of the element (that's done in comments),

       rather it's for traceability of *why* the element is either needed or why the constraints
       exist as they do.  This may be used to point to source materials or specifications
       that drove the structure of this data element."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.requirements"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./inboundRelationship[typeCode=META]/source[classCode=ACT, moodCode=EVN, isCriterionInd=true]

        /reasonCode/originalText"/> 
      </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Registered_item).document_reference[document_type=requirements].notation"/>       </mapping>     </element>     <element id="ElementDefinition.alias">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.alias"/>       <short value="Other names"/>       <definition value="Identifies additional names by which this element might also be known."/> 
      <requirements value="Allows for better easier recognition of the element by multiple communities, including
       international communities.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        (Designatable_Item).designation.sign  acceptability!=preferred or context is other than
         default
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
      
      
        
        
        
        
        @value='*' or (normalize-space(@value)!='' and normalize-space(translate(@value, '0123456789',''))='
        ')
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      

       international communities."/> 
      <alias value="synonym"/>       <alias value="other name"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.alias"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM1.8, OM1.52"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="Not currently expressible"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Designatable_Item).designation.sign  acceptability!=preferred or context is other

         than default"/> 
      </mapping>     </element>     <element id="ElementDefinition.min">      <path value="ElementDefinition.min"/>       <short value="Minimum Cardinality"/>       <definition value="The minimum number of times this element SHALL appear in the instance."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.min"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="unsignedInt"/>       </type>       <condition value="eld-2"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Minimum  size of  data element  values?"/>       </mapping>     </element>     <element id="ElementDefinition.max">      <path value="ElementDefinition.max"/>       <short value="Maximum Cardinality (a number or *)"/>       <definition value="The maximum number of times this element is permitted to appear in the instance."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.max"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <condition value="eld-2"/>       <constraint>         <key value="eld-3"/>         <severity value="error"/>         <human value="Max SHALL be a number or &quot;*&quot;"/>         <expression value="empty() or ($this = '*') or (toInteger() &gt;= 0)"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OMC.10"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Maximum  size of  data element  values?"/>       </mapping>     </element>     <element id="ElementDefinition.base">      <path value="ElementDefinition.base"/>       <short value="Base definition information for tools"/> 
      <definition value="Information about the base definition of the element, provided to make it unnecessary
       for tools to trace the deviation of the element through the derived and related profiles.
       When the element definition is not the original definition of an element - i.g. either
       in a constraint on another type, or for elements from a super type in a snap shot - then
       the information in provided in the element definition may be different to the base definition.
       On the original definition of the element, it will be same.
      The base information does not carry any information that could not be determined from
       the path and related profiles, but making this determination requires both that the related
       profiles are available, and that the algorithm to determine them be available. For tooling
       simplicity, the base information must always be populated in element definitions in snap
       shots, even if it is the same.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

       for tools to trace the deviation of the element through the derived and related
       profiles. When the element definition is not the original definition of an element
       - e.g. either in a constraint on another type, or for elements from a super type
       in a snap shot - then the information in provided in the element definition may
       be different to the base definition. On the original definition of the element,
       it will be same."/> 
      <comment value="The base information does not carry any information that could not be determined

       from the path and related profiles, but making this determination requires both
       that the related profiles are available, and that the algorithm to determine them
       be available. For tooling simplicity, the base information must always be populated
       in element definitions in snap shots, even if it is the same."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.base"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="Element"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.id">      <path value="ElementDefinition.base.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.extension">      <path value="ElementDefinition.base.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      The Path that identifies the base element - this matches the ElementDefinition.path for
       that element. Across FHIR, there is only one base definition of any element - that is,
       an element definition on a [StructureDefinition](structuredefinition.html#) without a
       StructureDefinition.base.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.path">      <path value="ElementDefinition.base.path"/>       <short value="Path that identifies the base element"/>       <definition value="The Path that identifies the base element - this matches the ElementDefinition.path

       for that element. Across FHIR, there is only one base definition of any element
       - that is, an element definition on a [StructureDefinition](structuredefinition.html#)
       without a StructureDefinition.base."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.base.path"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.min">      <path value="ElementDefinition.base.min"/>       <short value="Min cardinality of the base element"/>       <definition value="Minimum cardinality of the base element identified by the path."/> 
      <comment value="This is provided for consistency with max, and may affect code generation of mandatory
       elements of the base resource are generated differently (some reference implementations
       have done this).
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      This is provided to code generation, since the serialization representation in JSON differs
       depending on whether the base element has max &gt; 1. Also, some forms of code generation
       may differ.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Identifies an element defined elsewhere in the definition whose content rules should be
       applied to the current element. ContentReferences bring across all the rules that are
       in the ElementDefinition for the element, including definitions, cardinality constraints,
       bindings, invariants etc.
      ContentReferences can only be defined in specializations, not constrained types, and they
       cannot be changed and always reference the non-constrained definition.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
        
      
      
      
      
      The Type of the element can be left blank in a differential constraint, in which case
       the type is inherited from the resource. Abstract types are not permitted to appear as
       a type when multiple types are listed.  (I.e. Abstract types cannot be part of a choice).
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        not(exists(f:aggregation)) or exists(f:code[@value = 'Reference']) or exists(f:code[@value
         = 'canonical'])
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

       have done this)."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.base.min"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="unsignedInt"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.max">      <path value="ElementDefinition.base.max"/>       <short value="Max cardinality of the base element"/>       <definition value="Maximum cardinality of the base element identified by the path."/>       <comment value="This is provided to code generation, since the serialization representation in

       JSON differs depending on whether the base element has max &gt; 1. Also, some forms
       of code generation may differ."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.base.max"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.contentReference">      <path value="ElementDefinition.contentReference"/>       <short value="Reference to definition of content for the element"/>       <definition value="Identifies an element defined elsewhere in the definition whose content rules should

       be applied to the current element. ContentReferences bring across all the rules
       that are in the ElementDefinition for the element, including definitions, cardinality
       constraints, bindings, invariants etc."/> 
      <comment value="ContentReferences can only be defined in specializations, not constrained types,

       and they cannot be changed and always reference the non-constrained definition."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.contentReference"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="uri"/>       </type>       <condition value="eld-5"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.type">      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">        <valueString value="TypeRef"/>       </extension>       <path value="ElementDefinition.type"/>       <short value="Data type and Profile for this element"/>       <definition value="The data type or resource that the value of this element is permitted to be."/>       <comment value="The Type of the element can be left blank in a differential constraint, in which

       case the type is inherited from the resource. Abstract types are not permitted
       to appear as a type when multiple types are listed.  (I.e. Abstract types cannot
       be part of a choice)."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.type"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Element"/>       </type>       <condition value="eld-13"/>       <condition value="eld-7"/>       <condition value="eld-6"/>       <condition value="eld-11"/>       <condition value="eld-5"/>       <constraint>         <key value="eld-4"/>         <severity value="error"/>         <human value="Aggregation may only be specified if one of the allowed types for the element is

         a reference"/> 
        <expression value="aggregation.empty() or (code = 'Reference') or (code = 'canonical') or (code =

         'CodeableReference')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-17"/>         <severity value="error"/>         <human value="targetProfile is only allowed if the type is Reference or canonical"/>         <expression value="(code='Reference' or code = 'canonical' or code = 'CodeableReference') or targetProfile.empty

        ()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-29"/>         <severity value="warning"/>         <human value="profiles SHOULD be unique"/>         <expression value="profile.isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-30"/>         <severity value="warning"/>         <human value="targetProfiles SHOULD be unique"/>         <expression value="targetProfile.isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM1.3, OMC.9"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="valueDomain.dataType"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.data+Q14type"/>       </mapping>     </element>     <element id="ElementDefinition.type.id">      <path value="ElementDefinition.type.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.extension">      <path value="ElementDefinition.type.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.code">      <path value="ElementDefinition.type.code"/>       <short value="Data type or Resource (reference to definition)"/> 
      <definition value="URL of Data type or Resource that is a(or the) type used for this element. References
       are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. &quot;string&quot;
       is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only
       allowed in logical models.
      If the element is a reference to another resource, this element contains &quot;Reference&quot;,
       and the targetProfile element defines what resources can be referenced. The targetProfile
       may be a reference to the general definition of a resource (e.g. http://hl7.org/fhir/StructureDefini
      tion/Patient).
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Identifies a profile structure or implementation Guide that applies to the datatype this
       element refers to. If any profiles are specified, then the content must conform to at
       least one of them. The URL can be a local reference - to a contained StructureDefinition,
       or a reference to another StructureDefinition or Implementation Guide by a canonical URL.
       When an implementation guide is specified, the type SHALL conform to at least one profile
       defined in the implementation guide.
      It is possible to profile  backbone element (e.g. part of a resource), using the [profile-element](e
      xtension-elementdefinition-profile-element.html) extension.
      
      
      
        
        
        
      
      
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Used when the type is &quot;Reference&quot; or &quot;canonical&quot;, and identifies a
       profile structure or implementation Guide that applies to the target of the reference
       this element refers to. If any profiles are specified, then the content must conform to
       at least one of them. The URL can be a local reference - to a contained StructureDefinition,
       or a reference to another StructureDefinition or Implementation Guide by a canonical URL.
       When an implementation guide is specified, the target resource SHALL conform to at least
       one profile defined in the implementation guide.
      
      
      
        
        
        
      
      
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      

       is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs
       are only allowed in logical models."/> 
      <comment value="If the element is a reference to another resource, this element contains &quot;Reference&quot

      ;, and the targetProfile element defines what resources can be referenced. The targetProfile
       may be a reference to the general definition of a resource (e.g. http://hl7.org/fhir/Structur
      eDefinition/Patient)."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.type.code"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="uri"/>       </type>       <condition value="eld-11"/>       <condition value="eld-13"/>       <condition value="eld-4"/>       <condition value="eld-17"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="List of all Types for ElementDefinition.type.code."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ElementDefinitionTypes"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">          <valueBoolean value="true"/>         </extension>         <strength value="extensible"/>         <description value="List of all Types for ElementDefinition.type.code."/>         <valueSet value="http://hl7.org/fhir/ValueSet/elementdefinition-types"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="OM1.3"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.data+Q14type"/>       </mapping>     </element>     <element id="ElementDefinition.type.profile">      <path value="ElementDefinition.type.profile"/>       <short value="Profiles (StructureDefinition or IG) - one must apply"/>       <definition value="Identifies a profile structure or implementation Guide that applies to the datatype

       this element refers to. If any profiles are specified, then the content must conform
       to at least one of them. The URL can be a local reference - to a contained StructureDefinitio
      n, or a reference to another StructureDefinition or Implementation Guide by a canonical
       URL. When an implementation guide is specified, the type SHALL conform to at least
       one profile defined in the implementation guide."/> 
      <comment value="It is possible to profile  backbone element (e.g. part of a resource), using the

       [http://hl7.org/fhir/StructureDefinition/elementdefinition-profile-element](https://build.fhi
      r.org/ig/HL7/fhir-extensions/StructureDefinition-elementdefinition-profile-element.html)
       extension."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.type.profile"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ImplementationGuide"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.targetProfile">      <path value="ElementDefinition.type.targetProfile"/>       <short value="Profile (StructureDefinition or IG) on the Reference/canonical target - one must

       apply"/> 
      <definition value="Used when the type is &quot;Reference&quot; or &quot;canonical&quot;, and identifies

       a profile structure or implementation Guide that applies to the target of the reference
       this element refers to. If any profiles are specified, then the content must conform
       to at least one of them. The URL can be a local reference - to a contained StructureDefinitio
      n, or a reference to another StructureDefinition or Implementation Guide by a canonical
       URL. When an implementation guide is specified, the target resource SHALL conform
       to at least one profile defined in the implementation guide."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.type.targetProfile"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ImplementationGuide"/>       </type>       <condition value="eld-17"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.aggregation">      <path value="ElementDefinition.type.aggregation"/>       <short value="contained | referenced | bundled - how aggregated"/> 
      <definition value="If the type is a reference to another resource, how the resource is or can be aggregated
       - is it a contained resource, or a reference, and if the context is a bundle, is it included
       in the bundle.
      
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Whether this reference needs to be version specific or version independent, or whether
       either can be used.

       - is it a contained resource, or a reference, and if the context is a bundle, is
       it included in the bundle."/> 
      <comment value="See [Aggregation Rules](elementdefinition.html#aggregation) for further clarification."/>       <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.type.aggregation"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="code"/>       </type>       <condition value="eld-4"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How resource references can be aggregated."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="AggregationMode"/>         </extension>         <strength value="required"/>         <description value="How resource references can be aggregated."/>         <valueSet value="http://hl7.org/fhir/ValueSet/resource-aggregation-mode|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.versioning">      <path value="ElementDefinition.type.versioning"/>       <short value="either | independent | specific"/>       <definition value="Whether this reference needs to be version specific or version independent, or

       whether either can be used."/> 

      <comment value="The base specification never makes a rule as to which form is allowed, but implementation
       guides may do this. See [Aggregation Rules](elementdefinition.html#aggregation) for further
       clarification.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        Whether a reference needs to be version specific or version independent, or whether either
         can be used.
        
      
      
        
        
      
    
    
      
      
      The value that should be used if there is no value stated in the instance (e.g. 'if not
       otherwise specified, the abstract is false').
      Specifying a default value means that the property can never been unknown - it must always
       have a value. Further, the default value can never be changed, or changed in constraints
       on content models. Defining default values creates many difficulties in implementation
       (e.g. when is a value missing?). For these reasons, default values are (and should be)
       used extremely sparingly. 


       guides may do this. See [Aggregation Rules](elementdefinition.html#aggregation)
       for further clarification."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.type.versioning"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="code"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="Whether a reference needs to be version specific or version independent, or whether

           either can be used."/> 
        </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ReferenceVersionRules"/>         </extension>         <strength value="required"/>         <description value="Whether a reference needs to be version specific or version independent, or whether

         either can be used."/> 
        <valueSet value="http://hl7.org/fhir/ValueSet/reference-version-rules|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.defaultValue[x]">      <path value="ElementDefinition.defaultValue[x]"/>       <short value="Specified value if missing from instance"/>       <definition value="The value that should be used if there is no value stated in the instance (e.g.

       'if not otherwise specified, the abstract is false')."/> 
      <comment value="Specifying a default value means that the property can never been unknown - it

       must always have a value. Further, the default value can never be changed, or changed
       in constraints on content models. Defining default values creates many difficulties
       in implementation (e.g. when is a value missing?). For these reasons, default values
       are (and should be) used extremely sparingly. 

No default values are ever defined in the FHIR specification, nor can they be defined
       in constraints (&quot;profiles&quot;) on data types or resources. This element only exists
       so that default values may be defined in logical models.
      
      
      
        
        
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
        
      
      
      
      The Implicit meaning that is to be understood when this element is missing (e.g. 'when
       this element is missing, the period is ongoing').
      Implicit meanings for missing values can only be specified on a resource, data type, or
       extension definition, and never in a profile that applies to one of these. An implicit
       meaning for a missing value can never be changed, and specifying one has the consequence
       that constraining its use in profiles eliminates use cases as possibilities, not merely
       moving them out of scope.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      

       in constraints (&quot;profiles&quot;) on data types or resources. This element
       only exists so that default values may be defined in logical models."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.defaultValue[x]"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <condition value="eld-15"/>       <condition value="eld-5"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.meaningWhenMissing">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.meaningWhenMissing"/>       <short value="Implicit meaning when this element is missing"/>       <definition value="The Implicit meaning that is to be understood when this element is missing (e.g.

       'when this element is missing, the period is ongoing')."/> 
      <comment value="Implicit meanings for missing values can only be specified on a resource, data

       type, or extension definition, and never in a profile that applies to one of these.
       An implicit meaning for a missing value can never be changed, and specifying one
       has the consequence that constraining its use in profiles eliminates use cases
       as possibilities, not merely moving them out of scope."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.meaningWhenMissing"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <condition value="eld-15"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.orderMeaning">      <path value="ElementDefinition.orderMeaning"/>       <short value="What the order of the elements means"/> 
      <definition value="If present, indicates that the order of the repeating element has meaning and describes
       what that meaning is.  If absent, it means that the order of the element has no meaning.
      This element can only be asserted on repeating elements and can only be introduced when
       defining resources or data types.  It can be further refined profiled elements but if
       absent in the base type, a profile cannot assert meaning.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      Specifies a value that SHALL be exactly the value  for this element in the instance. For
       purposes of comparison, non-significant whitespace is ignored, and all values must be
       an exact match (case and accent sensitive). Missing elements/attributes must also be missing.
      This is not recommended for Coding and CodeableConcept since these often have highly contextual
       properties such as version or display.
      
      
      
        
        
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Specifies a value that the value in the instance SHALL follow - that is, any value in
       the pattern must be found in the instance. Other additional values may be found too. This
       is effectively constraint by example.  

When pattern[x] is used to constrain a primitive, it means that the value provided in
       the pattern[x] must match the instance value exactly.

When pattern[x] is used to constrain an array, it means that each element provided in
       the pattern[x] array must (recursively) match at least one element from the instance array.

When pattern[x] is used to constrain a complex object, it means that each property in
       the pattern must be present in the complex object, and its value must recursively match
       -- i.e.,

1. If primitive: it must match exactly the pattern value
2. If a complex object: it must match (recursively) the pattern value
3. If an array: it must match (recursively) the pattern value.
      Mostly used for fixing values of CodeableConcept. In general, pattern[x] is not intended
       for use with primitive types, where is has the same meaning as fixed[x].
      
      
      
        
        
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      A sample value for this element demonstrating the type of information that would typically
       be found in the element.
      Examples will most commonly be present for data where it's not implicitly obvious from
       either the data type or value set what the values might be.  (I.e. Example values for
       dates or quantities would generally be unnecessary.)  If the example value is fully populated,
       the publication tool can generate an instance automatically.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

       what that meaning is.  If absent, it means that the order of the element has no
       meaning."/> 
      <comment value="This element can only be asserted on repeating elements and can only be introduced

       when defining resources or data types.  It can be further refined profiled elements
       but if absent in the base type, a profile cannot assert meaning."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.orderMeaning"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <condition value="eld-25"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.fixed[x]">      <path value="ElementDefinition.fixed[x]"/>       <short value="Value must be exactly this"/>       <definition value="Specifies a value that SHALL be exactly the value  for this element in the instance,

       if present. For purposes of comparison, non-significant whitespace is ignored,
       and all values must be an exact match (case and accent sensitive). Missing elements/attribute
      s must also be missing."/> 
      <comment value="This is not recommended for Coding and CodeableConcept since these often have highly

       contextual properties such as version or display."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.fixed[x]"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <condition value="eld-5"/>       <condition value="eld-6"/>       <condition value="eld-8"/>       <condition value="eld-24"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="N/A (only relevant when constraining, which 11179 doesn't do)"/>       </mapping>     </element>     <element id="ElementDefinition.pattern[x]">      <path value="ElementDefinition.pattern[x]"/>       <short value="Value must have at least these property values"/>       <definition value="Specifies a value that each occurrence of the element in the instance SHALL follow

       - that is, any value in the pattern must be found in the instance, if the element
       has a value. Other additional values may be found too. This is effectively constraint
       by example.  
When pattern[x] is used to constrain a primitive, it means that the value provided
       in the pattern[x] must match the instance value exactly.
When an element within a pattern[x] is used to constrain an array, it means that
       each element provided in the pattern[x] must (recursively) match at least one element
       from the instance array.
When pattern[x] is used to constrain a complex object, it means that each property
       in the pattern must be present in the complex object, and its value must recursively
       match -- i.e.,
1. If primitive: it must match exactly the pattern value
2. If a complex object: it must match (recursively) the pattern value
3. If an array: it must match (recursively) the pattern value
If a pattern[x] is declared on a repeating element, the pattern applies to all
       repetitions.  If the desire is for a pattern to apply to only one element or a
       subset of elements, slicing must be used. See [Examples of Patterns](elementdefinition-exampl
      es.html#pattern-examples) for examples of pattern usage and the effect it will have."/> 
      <comment value="Mostly used for fixing values of CodeableConcept. In general, pattern[x] is not

       intended for use with primitive types, where is has the same meaning as fixed[x]."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.pattern[x]"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <condition value="eld-5"/>       <condition value="eld-7"/>       <condition value="eld-8"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.example">      <path value="ElementDefinition.example"/>       <short value="Example value (as defined for type)"/>       <definition value="A sample value for this element demonstrating the type of information that would

       typically be found in the element."/> 
      <comment value="Examples will most commonly be present for data where it's not implicitly obvious

       from either the data type or value set what the values might be.  (I.e. Example
       values for dates or quantities would generally be unnecessary.)  If the example
       value is fully populated, the publication tool can generate an instance automatically."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.example"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Element"/>       </type>       <condition value="eld-5"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.example.id">      <path value="ElementDefinition.example.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.example.extension">      <path value="ElementDefinition.example.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
        
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      The minimum allowed value for the element. The value is inclusive. This is allowed for
       the types date, dateTime, instant, time, decimal, integer, and Quantity.
      Except for date/date/instant, the type of the minValue[x] SHALL be the same as the specified
       type of the element. For the date/dateTime/instant values, the type of minValue[x] SHALL
       be either the same, or a [Duration](datatypes.html#Duration) which specifies a relative
       time limit to the current time. The duration value is positive, and is subtracted from
       the current clock to determine the minimum allowable value.   A minimum value for a Quantity
       is interpreted as an canonical minimum - e.g. you cannot provide 100mg if the minimum
       value is 10g.
      
      
      
        
        
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      The maximum allowed value for the element. The value is inclusive. This is allowed for
       the types date, dateTime, instant, time, decimal, integer, and Quantity.
      Except for date/date/instant, the type of the maxValue[x] SHALL be the same as the specified
       type of the element. For the date/dateTime/instant values, the type of maxValue[x] SHALL
       be either the same, or a [Duration](datatypes.html#Duration) which specifies a relative
       time limit to the current time. The duration value is positive, and is added to the current
       clock to determine the maximum allowable value.   A maximum value for a Quantity is interpreted
       as an canonical maximum - e.g. you cannot provide 10g if the maximum value is 50mg.
      
      
      
        
        
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.example.label">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.example.label"/>       <short value="Describes the purpose of this example"/>       <definition value="Describes the purpose of this example among the set of examples."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.example.label"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.example.value[x]">      <path value="ElementDefinition.example.value[x]"/>       <short value="Value of Example (one of allowed types)"/>       <definition value="The actual value for the element, which must be one of the types allowed for this

       element."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.example.value[x]"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".example"/>       </mapping>     </element>     <element id="ElementDefinition.minValue[x]">      <path value="ElementDefinition.minValue[x]"/>       <short value="Minimum Allowed Value (for some types)"/>       <definition value="The minimum allowed value for the element. The value is inclusive. This is allowed

       for the types date, dateTime, instant, time, decimal, integer, and Quantity."/> 
      <comment value="Except for date/date/instant, the type of the minValue[x] SHALL be the same as

       the specified type of the element. For the date/dateTime/instant values, the type
       of minValue[x] SHALL be either the same, or a [Duration](datatypes.html#Duration)
       which specifies a relative time limit to the current time. The duration value is
       positive, and is subtracted from the current clock to determine the minimum allowable
       value.   A minimum value for a Quantity is interpreted as a canonical minimum -
       e.g. you cannot provide 100mg if the minimum value is 10g."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.minValue[x]"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="Quantity"/>       </type>       <condition value="eld-5"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.maxValue[x]">      <path value="ElementDefinition.maxValue[x]"/>       <short value="Maximum Allowed Value (for some types)"/>       <definition value="The maximum allowed value for the element. The value is inclusive. This is allowed

       for the types date, dateTime, instant, time, decimal, integer, and Quantity."/> 
      <comment value="Except for date/date/instant, the type of the maxValue[x] SHALL be the same as

       the specified type of the element. For the date/dateTime/instant values, the type
       of maxValue[x] SHALL be either the same, or a [Duration](datatypes.html#Duration)
       which specifies a relative time limit to the current time. The duration value is
       positive, and is added to the current clock to determine the maximum allowable
       value.   A maximum value for a Quantity is interpreted as a canonical maximum -
       e.g. you cannot provide 10g if the maximum value is 50mg."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.maxValue[x]"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="Quantity"/>       </type>       <condition value="eld-5"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.maxLength">      <path value="ElementDefinition.maxLength"/>       <short value="Max length for string type data"/> 
      <definition value="Indicates the maximum length in characters that is permitted to be present in conformant
       instances and which is expected to be supported by conformant consumers that support the
       element.
      Receivers are not required to reject instances that exceed the maximum length.  The full
       length could be stored.  In some cases, data might be truncated, though truncation should
       be undertaken with care and an understanding of the consequences of doing so. If not specified,
       there is no conformance expectation for length support.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      

       instances and which is expected to be supported by conformant consumers that support
       the element. ```maxLength``` SHOULD only be used on primitive data types that have
       a have a length (see [Tupe Characteristics](datatypes.html#other) and [http://hl7.org/fhir/St
      ructureDefinition/structuredefinition-type-characteristics](https://build.fhir.org/ig/HL7/fhir
      -extensions/StructureDefinition-structuredefinition-type-characteristics.html))."/> 
      <comment value="Receivers are not required to reject instances that exceed the maximum length.

        The full length could be stored.  In some cases, data might be truncated, though
       truncation should be undertaken with care and an understanding of the consequences
       of doing so. If not specified, there is no conformance expectation for length support."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.maxLength"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="integer"/>       </type>       <condition value="eld-5"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OMC.12"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.maximum_character_quantity"/>       </mapping>     </element>     <element id="ElementDefinition.condition">      <path value="ElementDefinition.condition"/>       <short value="Reference to invariant about presence"/> 
      <definition value="A reference to an invariant that may make additional statements about the cardinality
       or value in the instance.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      

       or value in the instance."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.condition"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="id"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint">      <path value="ElementDefinition.constraint"/>       <short value="Condition that must evaluate to true"/> 
      <definition value="Formal constraints such as co-occurrence and other constraints that can be computationally
       evaluated within the context of the instance.
      Constraints should be declared on the &quot;context&quot; element - the lowest element
       in the hierarchy that is common to all nodes referenced by the constraint.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

       evaluated within the context of the instance."/> 
      <comment value="Constraints should be declared on the &quot;context&quot; element - the lowest

       element in the hierarchy that is common to all nodes referenced by the constraint."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.constraint"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Element"/>       </type>       <condition value="eld-14"/>       <constraint>         <key value="eld-21"/>         <severity value="warning"/>         <human value="Constraints should have an expression or else validators will not be able to enforce

         them"/> 
        <expression value="expression.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-26"/>         <severity value="error"/>         <human value="Errors cannot be suppressed"/>         <expression value="(severity = 'error') implies suppress.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.id">      <path value="ElementDefinition.constraint.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.extension">      <path value="ElementDefinition.constraint.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      Allows identification of which elements have their cardinalities impacted by the constraint.
        Will not be referenced for constraints that do not affect cardinality.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.key">      <path value="ElementDefinition.constraint.key"/>       <short value="Target of 'condition' reference above"/>       <definition value="Allows identification of which elements have their cardinalities impacted by the

       constraint.  Will not be referenced for constraints that do not affect cardinality."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.constraint.key"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="id"/>       </type>       <condition value="eld-14"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.requirements">      <path value="ElementDefinition.constraint.requirements"/>       <short value="Why this constraint is necessary or appropriate"/>       <definition value="Description of why this constraint is necessary or appropriate."/>       <comment value="To be used if the reason for the constraint might not be intuitive to all implementers."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.constraint.requirements"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.severity">      <path value="ElementDefinition.constraint.severity"/>       <short value="error | warning"/>       <definition value="Identifies the impact constraint violation has on the conformance of the instance."/> 
      <comment value="This allows constraints to be asserted as &quot;shall&quot; (error) and &quot;should&quot;
       (warning).
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      Text that can be used to describe the constraint in messages identifying that the constraint
       has been violated.
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      A [FHIRPath](fhirpath.html) expression of constraint that can be executed to see if this
       constraint is met.

       (warning)."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.constraint.severity"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="code"/>       </type>       <condition value="eld-26"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="SHALL applications comply with this constraint?"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ConstraintSeverity"/>         </extension>         <strength value="required"/>         <description value="SHALL applications comply with this constraint?"/>         <valueSet value="http://hl7.org/fhir/ValueSet/constraint-severity|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.suppress">      <path value="ElementDefinition.constraint.suppress"/>       <short value="Suppress warning or hint in profile"/>       <definition value="If true, indicates that the warning or best practice guideline should be suppressed."/>       <comment value="This element should only be present in a derived profile where a warning or hint

       has been determined to be spurious/incorrect. E.g. a warning encouraging the inclusion
       of an element that the profile explicitly prohibits."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.constraint.suppress"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <condition value="eld-26"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.human">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.constraint.human"/>       <short value="Human description of constraint"/>       <definition value="Text that can be used to describe the constraint in messages identifying that the

       constraint has been violated."/> 
      <comment value="Should be expressed in business terms as much as possible."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.constraint.human"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.expression">      <path value="ElementDefinition.constraint.expression"/>       <short value="FHIRPath expression of constraint"/>       <definition value="A [FHIRPath](fhirpath.html) expression of constraint that can be executed to see

       if this constraint is met."/> 

      <comment value="In the absense of an expression, the expression is likely not enforceable by validators,
       and might be missed by many systems.
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
        
      
      
      
      
      Elements SHALL use &quot;f&quot; as the namespace prefix for the FHIR namespace, and &quot;x&quot;
       for the xhtml namespace, and SHALL NOT use any other prefixes.     Note: XPath is generally
       considered not useful because it does not apply to JSON and other formats and because
       of XSLT implementation issues, and may be removed in the future.
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      This is used when, e.g. rendering, where it is not useful to present inherited constraints
       when rendering the snapshot.
      
      
      
        
        
        
      
      
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      

       and might be missed by many systems."/> 
      <requirements value="Used by validation tooling tests of the validity of the resource."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.constraint.expression"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <condition value="eld-21"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.source">      <path value="ElementDefinition.constraint.source"/>       <short value="Reference to original source of constraint"/>       <definition value="A reference to the original source of the constraint, for traceability purposes."/>       <comment value="This is used when, e.g. rendering, where it is not useful to present inherited

       constraints when rendering the snapshot."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.constraint.source"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.mustHaveValue">      <path value="ElementDefinition.mustHaveValue"/>       <short value="For primitives, that a value must be present - not replaced by an extension"/>       <definition value="Specifies for a primitive data type that the value of the data type cannot be replaced

       by an extension."/> 
      <comment value="Typical extensions that can be provided in place of a the value are [http://hl7.org/fhir/Stru

      ctureDefinition/data-absent-reason](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDef
      inition-data-absent-reason.html),  [http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavo
      r](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-iso21090-nullFlavor.html)
      ,  [http://hl7.org/fhir/StructureDefinition/originalText](https://build.fhir.org/ig/HL7/fhir-e
      xtensions/StructureDefinition-originalText.html), and [http://hl7.org/fhir/StructureDefinition
      /cqf-expression](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-cqf-express
      ion.html). Note that this element has no meaning when a value is provided, and extensions
       can be provided in addition to a value."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.mustHaveValue"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <condition value="eld-28"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.valueAlternatives">      <path value="ElementDefinition.valueAlternatives"/>       <short value="Extensions that are allowed to replace a primitive value"/>       <definition value="Specifies a list of extensions that can appear in place of a primitive value."/>       <comment value="If mustHaveValue is true, then this element should not be present, since no extensions

       are allowed in place of the value. Note that this element has no impact if the
       value is present. When valueAlternatives is present, it means that if the element
       is present, it SHALL have either a value or at least one of the listed extensions.
       This element is only permitted on elements with primitive types."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.valueAlternatives"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>       </type>       <meaningWhenMissing value="If this element is missing, then any extension can be used if its context is appropriate"/>       <condition value="eld-28"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.mustSupport">      <path value="ElementDefinition.mustSupport"/>       <short value="If the element must be supported (discouraged - see obligations)"/> 
      <definition value="If true, implementations that produce or consume resources SHALL provide &quot;support&quot;
       for the element in some meaningful way.  If false, the element may be ignored and not
       supported. If false, whether to populate or use the data element in any way is at the
       discretion of the implementation.
      &quot;Something useful&quot; is context dependent and impossible to describe in the base
       FHIR specification. For this reason, tue mustSupport flag is never set to true by the
       FHIR specification itself - it is only set to true in profiles.  A profile on a type can
       always make musSupport = true if it is false in the base type but cannot make mustSupport
       = false if it is true in the base type.   This is done in [Resource Profiles](profiling.html#mustsup
      port), where the profile labels an element as mustSupport=true. When a profile does this,
       it SHALL also make clear exactly what kind of &quot;support&quot; is required, as this
       can mean many things.    Note that an element that has the property IsModifier is not
       necessarily a &quot;key&quot; element (e.g. one of the important elements to make use
       of the resource), nor is it automatically mustSupport - however both of these things are
       more likely to be true for IsModifier elements than for other elements.

       for the element in some meaningful way. Note that this is being phased out and
       replaced by obligations (see below).  If false, the element may be ignored and
       not supported. If false, whether to populate or use the data element in any way
       is at the discretion of the implementation."/> 
      <comment value="&quot;Something meaningful&quot; is context dependent and impossible to describe

       in the base FHIR specification. For this reason, the mustSupport flag is never
       set to true by the FHIR specification itself - it is only set to true in profiles.
        A profile on a type can always make mustSupport = true if it is false in the base
       type but cannot make mustSupport = false if it is true in the base type.   This
       is done in [Resource Profiles](profiling.html#mustsupport), where the profile labels
       an element as mustSupport=true. When a profile does this, it SHALL also make clear
       exactly what kind of &quot;support&quot; is required, as this can mean many things.
          Note that an element that has the property IsModifier is not necessarily a &quot;key&quot;
       element (e.g. one of the important elements to make use of the resource), nor is
       it automatically mustSupport - however both of these things are more likely to
       be true for IsModifier elements than for other elements."/> 

      <requirements value="Allows a profile to set expectations for system capabilities beyond merely respecting
       cardinality constraints.
      
      
      
        
        
        
      
      
        
      
      In a base type, where the element is being defined for the first time, the element is
       assumed to be mustSupport = false. In a profile (a constraint on an existing type), if
       mustSupport is not specific in either the differentil or the snapshot, the mustSupport
       value is not changed fro the base definition. Not, though, that the snapshot SHOULD always
       populate the mustSuppot value
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      If true, the value of this element affects the interpretation of the element or resource
       that contains it, and the value of the element cannot be ignored. Typically, this is used
       for status, negation and qualification codes. The effect of this is that the element cannot
       be ignored by systems: they SHALL either recognize the element and process it, and/or
       a pre-determination has been made that it is not relevant to their particular system.
      Only the definition of an element can set IsModifier true - either the specification itself
       or where an extension is originally defined. Once set, it cannot be changed in derived
       profiles. An element/extension that has isModifier=true SHOULD also have a minimum cardinality
       of 1, so that there is no lack of clarity about what to do if it is missing. If it can
       be missing, the definition SHALL make the meaning of a missing element clear.
      Allows elements to be introduced into a specification that can't safely be ignored by
       applications that don't recognize them.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Explains how that element affects the interpretation of the resource or element that contains
       it.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      

       cardinality constraints."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.mustSupport"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="In a base type, where the element is being defined for the first time, the element

       is assumed to be mustSupport = false. In a profile (a constraint on an existing
       type), if mustSupport is not specific in either the differential or the snapshot,
       the mustSupport value is not changed from the base definition. Note, though, that
       the snapshot SHOULD always populate the mustSupport value"/> 
      <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.isModifier">      <path value="ElementDefinition.isModifier"/>       <short value="If this modifies the meaning of other elements"/>       <definition value="If true, the value of this element affects the interpretation of the element or

       resource that contains it, and the value of the element cannot be ignored. Typically,
       this is used for status, negation and qualification codes. The effect of this is
       that the element cannot be ignored by systems: they SHALL either recognize the
       element and process it, and/or a pre-determination has been made that it is not
       relevant to their particular system. When used on the root element in an extension
       definition, this indicates whether or not the extension is a modifier extension."/> 
      <comment value="Only the definition of an element can set IsModifier true - either the specification

       itself or where an extension is originally defined. Once set, it cannot be changed
       in derived profiles (except in the special case of the defining a new extension).
       An element/extension that has isModifier=true SHOULD also have a minimum cardinality
       of 1, so that there is no lack of clarity about what to do if it is missing. If
       it can be missing, the definition SHALL make the meaning of a missing element clear.
       See further discussion in the [conformance rules](conformance-rules.html#isModifier)
       section."/> 
      <requirements value="Allows elements to be introduced into a specification that can't safely be ignored

       by applications that don't recognize them."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.isModifier"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="An element is not a modifier element unless it is explicitly specified to be one"/>       <condition value="eld-18"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.isModifierReason">      <path value="ElementDefinition.isModifierReason"/>       <short value="Reason that this element is marked as a modifier"/>       <definition value="Explains how that element affects the interpretation of the resource or element

       that contains it."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.isModifierReason"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <condition value="eld-18"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.isSummary">      <path value="ElementDefinition.isSummary"/>       <short value="Include when _summary = true?"/> 
      <definition value="Whether the element should be included if a client requests a search with the parameter
       _summary=true.
      Some resources include a set of simple metadata, and some very large data. This element
       is used to reduce the quantity of data returned in searches. Note that servers may pre-cache
       summarized resources for optimal performance, so servers might not support per-profile
       use of the isSummary flag. When a request is made with _summary=true, serailisers only
       include elements marked as 'isSummary = true'. Other than Attachment.data, all data type
       properties are included in the summary form. In resource and data type definitions, if
       an element is at the root or has a parent that is 'mustSupport' and the minimum cardinality
       is 1 or the element is a modifier, it must be marked as isSummary=true.
      
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

       _summary=true."/> 
      <comment value="Some resources include a set of simple metadata, and some very large data. This

       element is used to reduce the quantity of data returned in searches. Note that
       servers may pre-cache summarized resources for optimal performance. When a request
       is made with _summary=true, serializers only include elements marked as 'isSummary
       = true'. With a few exceptions (listed below), all datatype properties are included
       in the summary form. In resource and datatype definitions, if an element has a
       descendant within the same StructureDefinition marked as isSummary=true or if it
       satisfies both of the following conditions, it must be marked as isSummary=true:
* is at the root or has a parent that is 'mustSupport'
* has a minimum cardinality of 1 or is a modifier element
The following datatype properties are exceptions, and are not marked as isSummary:
* Attachment.data
* Signature.data, Signature.targetFormat, Signature.sigFormat
* Narrative.status, Narrative.div
* SampledData.data."/> 
      <requirements value="Allow clients to search through large resources quickly."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.isSummary"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="An element is not included in the summary unless it is explicitly specified to

       be so"/> 
      <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.binding">      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">        <valueString value="ElementDefinitionBinding"/>       </extension>       <path value="ElementDefinition.binding"/>       <short value="ValueSet details if this is coded"/> 
      <definition value="Binds to a value set if this element is coded (code, Coding, CodeableConcept, Quantity),
       or the data types (string, uri).
      For a CodeableConcept, when no codes are allowed - only text, use a binding of strength
       &quot;required&quot; with a description explaining that no coded values are allowed and
       what sort of information to put in the &quot;text&quot; element.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
        

       or the data types (string, uri)."/> 
      <comment value="For a CodeableConcept, when no codes are allowed - only text, use a binding of

       strength &quot;required&quot; with a description explaining that no coded values
       are allowed and what sort of information to put in the &quot;text&quot; element."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="Element"/>       </type>       <condition value="eld-11"/>       <condition value="eld-5"/>       <constraint>         <key value="eld-12"/>         <severity value="error"/>         <human value="ValueSet SHALL start with http:// or https:// or urn: or #"/> 
        <expression value="valueSet.exists() implies (valueSet.startsWith('http:') or valueSet.startsWith('https')
         or valueSet.startsWith('urn:'))
        (starts-with(string(f:valueSet/@value), 'http:') or starts-with(string(f:valueSet/@value),
         'https:') or starts-with(string(f:valueSet/@value), 'urn:'))
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

         or valueSet.startsWith('urn:') or valueSet.startsWith('#'))"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-23"/>         <severity value="error"/>         <human value="binding SHALL have either description or valueSet"/>         <expression value="description.exists() or valueSet.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-32"/>         <severity value="error"/>         <human value="If the strength is 'descriptive' no value set can ve provided"/>         <expression value="strength = 'descriptive' implies valueSet.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">          <valueBoolean value="true"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">          <valueMarkdown value="Authors are encouraged to but the max value set on the root, and provide other

           additional value sets as additional bindings"/> 
        </extension>         <key value="eld-34"/>         <severity value="warning"/>         <human value="if there's a required binding with no usage, it should be the base binding"/>         <expression value="strength != 'required' implies additional.where(purpose = 'required' and usage.empty()).empty

        ()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM3, OMC.11"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain"/>       </mapping>     </element>     <element id="ElementDefinition.binding.id">      <path value="ElementDefinition.binding.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.binding.extension">      <path value="ElementDefinition.binding.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      Indicates the degree of conformance expectations associated with this binding - that is,
       the degree to which the provided value set must be adhered to in the instances.
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      The reference may be version-specific or not (e.g. have a |[version] at the end of the
       canonical URL).
      
      
      
        
        
        
      
      
        
        
      
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        Registered_item).document_reference[document_type=mapping]  Also, .meaning linkage to
         Data_Element_Concept is done as a mapping to a reference model.  (Data_Element_Concepts
         are all defined in some sort of reference model, be that Object_Class and Property or
         some other mechanism)
      
      
        
        
      
    
    
      
      
      
      Unique id for the element within a resource (for internal references). This may be any
       string value that does not contain spaces.
      
      
      
        
        
        
      
    <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler magic
       (j)  -->
      
        
          
        
        
      
      
      
      
        
        
      
    
    
      
      
        
          
          
        
        
        
      
      

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.binding.strength">      <path value="ElementDefinition.binding.strength"/>       <short value="required | extensible | preferred | example | descriptive"/>       <definition value="Indicates the degree of conformance expectations associated with this binding -

       that is, the degree to which the provided value set must be adhered to in the instances."/> 
      <comment value="For further discussion, see [Using Terminologies](terminologies.html)."/>       <alias value="conformance"/>       <alias value="extensibility"/>       <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.strength"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="code"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="Indication of the degree of conformance expectations associated with a binding."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="BindingStrength"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">          <valueBoolean value="true"/>         </extension>         <strength value="required"/>         <description value="Indication of the degree of conformance expectations associated with a binding."/>         <valueSet value="http://hl7.org/fhir/ValueSet/binding-strength|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.binding.description">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.binding.description"/>       <short value="Guidance on the codes to be used"/>       <definition value="Free-text guidance on the codes that are appropriate for this element."/>       <comment value="This may provide an ad-hoc description of the expected/desired codes in situations

       where defining a specific value set is not possible, to provide additional context
       to a value set that is provided, or to give a summary where terminology constraints
       are expressed only as additional bindings."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.description"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <condition value="eld-23"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.description"/>       </mapping>     </element>     <element id="ElementDefinition.binding.valueSet">      <path value="ElementDefinition.binding.valueSet"/>       <short value="Source of value set"/>       <definition value="Refers to the value set that identifies the set of codes the binding refers to."/>       <comment value="The reference may be version-specific or not (e.g. have a |[version] at the end

       of the canonical URL)."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.valueSet"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>       </type>       <condition value="eld-12"/>       <condition value="eld-23"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="valueDomain.valueSet"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="points to explicit list or expression that evaluates to list of (Enumerated_Value_Domain).mem

        ber"/> 
      </mapping>     </element>     <element id="ElementDefinition.binding.additional">      <path value="ElementDefinition.binding.additional"/>       <short value="Additional Bindings - more rules about the binding"/>       <definition value="Additional bindings that help applications implementing this element. Additional

       bindings do not replace the main binding but provide more information and/or context."/> 
      <comment value="If there are multiple additional bindings, they all apply independently of each

       other."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.binding.additional"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Element"/>       </type>       <constraint>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">          <valueBoolean value="true"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">          <valueMarkdown value="AdditionalBinding.key is necessary to allow a binding to be constrained"/>         </extension>         <key value="eld-31"/>         <severity value="warning"/>         <human value="additionalBindings should have a key"/>         <expression value="key.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.id">      <path value="ElementDefinition.binding.additional.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.binding.additional.extension">      <path value="ElementDefinition.binding.additional.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/> 
      <definition value="May be used to represent additional information that is not part of the basic definition
       of the element. To make the use of extensions safe and manageable, there is a strict set
       of governance  applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part of the
       definition of the extension.
      There can be no stigma associated with the use of extensions by any application, project,
       or standard - regardless of the institution or jurisdiction that uses or defines the extensions.
        The use of extensions is what allows the FHIR specification to retain a core level of
       simplicity for everyone.
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
          
        
        
          
        
        
        
        
      
      
        
        
      
    
    
      
      
      
      For most mappings, the syntax is undefined.  Syntax will be provided for mappings to the
       RIM.  Multiple mappings may be possible and may include constraints on other resource
       elements that identify when a particular mapping applies.
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
      
        
        ObjectClass, Property (this is one possible data model that can be mapped to - the uri
         would identify the data model  mappingSpecification.mappingScript
      
    
    
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
        
        
        
        
      
      
      
      
        
        
      
    
  
  
    
      
        
      
      
        
      
      
      
      
      
      
      
        
        
        
        path.matches('[^\\s\\.,:;\\\'&quot;\\/|?!@#$%&amp;*()\\[\\]{}]{1,64}(\\.[^\\s\\.,:;\\\'&quot;\\/|?!@
        #$%&amp;*()\\[\\]{}]{1,64}(\\[x\\])?(\\:[^\\s\\.]+)?)*')
        matches(path/@value, '[^\s\.,:;\'&amp;quot;\/|?!@#$%&amp;amp;*()\[\]{}]{1,64}(\.[^\s\.,:;\'&amp;quot
        ;\/|?!@#$%&amp;amp;*()\[\]{}]{1,64}(\[x\])?(\:[^\s\.]+)?)*')
      
      
        
        
        
        
        not(exists(f:min)) or not(exists(f:max)) or (not(f:max/@value) and not(f:min/@value))
         or (f:max/@value = '*') or (number(f:max/@value) &gt;= f:min/@value)
      
      
        
        
        if the element definition has a contentReference, it cannot have type, defaultValue, fixed,
         pattern, example, minValue, maxValue, maxLength, or binding
        contentReference.empty() or (type.empty() and defaultValue.empty() and fixed.empty() and
         pattern.empty() and example.empty() and minValue.empty() and maxValue.empty() and maxLength.empty()
         and binding.empty())
        not(exists(f:contentReference) and (exists(f:type) or exists(f:*[starts-with(local-name(.),
         'value')]) or exists(f:*[starts-with(local-name(.), 'defaultValue')])  or exists(f:*[starts-with(loc
        al-name(.), 'fixed')]) or exists(f:*[starts-with(local-name(.), 'pattern')]) or exists(f:*[starts-wit
        h(local-name(.), 'example')]) or exists(f:*[starts-with(local-name(.), 'f:minValue')])
         or exists(f:*[starts-with(local-name(.), 'f:maxValue')]) or exists(f:maxLength) or exists(f:binding)
        ))
      
      
        
        
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        binding.empty() or type.code.empty() or type.select((code = 'code') or (code = 'Coding')
         or (code='CodeableConcept') or (code = 'Quantity') or (code = 'string') or (code = 'uri')).exists()
        not(exists(f:binding)) or (count(f:type/f:code) = 0) or  f:type/f:code/@value=('code','Coding','Code
        ableConcept','Quantity','string', 'uri')
      
      
        
        
        
        
        
      
      
        
        
        
        
        not(exists(f:*[starts-with(local-name(.), 'pattern')])) or not(exists(f:*[starts-with(local-name(.),
         'fixed')]))
      
      
        
        
        
        
        
      
      
        
        
        
        
        not(exists(for $type in f:type return $type/preceding-sibling::f:type[f:code/@value=$type/f:code/@va
        lue]))
      
      
        
        
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        
        
        
      
      
        
        
        Element names should be simple alphanumerics with a max of 64 characters, or code generation
         tools may be broken
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      The path identifies the element and is expressed as a &quot;.&quot;-separated list of
       ancestor elements, beginning with the name of the resource or extension.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Codes that define how this element is represented in instances, when the deviation varies
       from the normal case.
      In resources, this is rarely used except for special cases where the representation deviates
       from the normal, and can only be done in the base standard (and profiles must reproduce
       what the base standard does). This element is used quite commonly in Logical models when
       the logical models represent a specific serialization format (e.g. CDA, v2 etc.).
      
      
      
        
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      The name of this element definition slice, when slicing is working. The name must be a
       token with no dots or spaces. This is a unique name referring to a specific set of constraints
       applied to this element, used to provide a name to different slices of the same element.
      The name SHALL be unique within the structure within the context of the constrained resource
       element.  (Though to avoid confusion, uniqueness across all elements is recommended.).
      
      
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      If true, indicates that this slice definition is constraining a slice definition with
       the same name in an inherited profile. If false, the slice is not overriding any slice
       in an inherited profile. If missing, the slice might or might not be overriding a slice
       in an inherited profile, depending on the sliceName.
      If set to true, an ancestor profile SHALL have a slicing definition with this name.  If
       set to false, no ancestor profile is permitted to have a slicing definition with this
       name.
      Allows detection of a situation where an ancestor profile adds or removes slicing with
       the same name where that might impact the child profile.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      A single preferred label which is the text to display beside the element indicating its
       meaning or to use to prompt for the element in a user display or form.
      See also the extension (http://hl7.org/fhir/StructureDefinition/elementdefinition-question)[extensio
      n-elementdefinition-question.html].
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      The concept SHALL be properly aligned with the data element definition and other constraints,
       as defined in the code system, including relationships, of any code listed here.  Where
       multiple codes exist in a terminology that could correspond to the data element, the most
       granular code(s) should be selected, so long as they are not more restrictive than the
       data element itself. The mappings may be used to provide more or less granular or structured
       equivalences in the code system.
      Links the meaning of an element to an external terminology, and is very useful for searching
       and indexing.
      
      
      
        
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Indicates that the element is sliced into a set of alternative definitions (i.e. in a
       structure definition, there are multiple different constraints on a single element in
       the base resource). Slicing can be used in any resource that has cardinality ..* on the
       base resource, or any resource with a choice of types. The set of slices is any elements
       that come after this in the element sequence that have the same path, until a shorter
       path occurs (the shorter path terminates the set).

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.binding.additional.key">      <path value="ElementDefinition.binding.additional.key"/>       <short value="Unique identifier so additional bindings to be matched across profiles"/>       <definition value="A unique identifier for the additional binding within the element that allows additional

       bindings to be matched across profiles."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.additional.key"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="id"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.purpose">      <path value="ElementDefinition.binding.additional.purpose"/>       <short value="maximum | minimum | required | extensible | candidate | current | current-extensible

       | best-practice | preferred | ui | starter | component"/> 
      <definition value="The use of this additional binding."/>       <comment value="Conformance bindings are in addition to the base binding, not instead of it."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.additional.purpose"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="code"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="The use of an additional binding."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="AdditionalBindingPurpose"/>         </extension>         <strength value="required"/>         <description value="The use of an additional binding."/>         <valueSet value="http://hl7.org/fhir/ValueSet/additional-binding-purpose|6.0.0-ballot3"/>       </binding>     </element>     <element id="ElementDefinition.binding.additional.valueSet">      <path value="ElementDefinition.binding.additional.valueSet"/>       <short value="The value set for the additional binding"/>       <definition value="The valueSet that is being bound for the purpose."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.additional.valueSet"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.documentation">      <path value="ElementDefinition.binding.additional.documentation"/>       <short value="Documentation of the purpose of use of the binding"/>       <definition value="Documentation of the purpose of use of the binding, providing additional information

       about how it is intended to be used."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.additional.documentation"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.shortDoco">      <path value="ElementDefinition.binding.additional.shortDoco"/>       <short value="Concise documentation - for summary tables"/>       <definition value="Concise documentation - for summary tables."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.additional.shortDoco"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.usage">      <path value="ElementDefinition.binding.additional.usage"/>       <short value="Qualifies the usage - jurisdiction, gender, workflow status etc."/>       <definition value="Qualifies the usage of the binding. Typically bindings are qualified by jurisdiction,

       but they may also be qualified by gender, workflow status, clinical domain etc.
       The information to decide whether a usage context applies is usually outside the
       resource, determined by context, and this might present challenges for validation
       tooling."/> 
      <comment value="This specification does not define exactly how the context is determined for the

       usage; typically, this will be described in implementation guides."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.binding.additional.usage"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="UsageContext"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.any">      <path value="ElementDefinition.binding.additional.any"/>       <short value="Whether binding can applies to all repeats, or just one"/>       <definition value="Whether the binding applies to all repeats, or just to any one of them. This is

       only relevant for elements that can repeat."/> 
      <comment value="A common pattern is to make a conformance binding to all repeats, and then make

       a binding that one of the repeats must conform to."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.binding.additional.any"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="boolean"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.mapping">      <path value="ElementDefinition.mapping"/>       <short value="Map element to another set of definitions"/>       <definition value="Identifies a concept from an external specification that roughly corresponds to

       this element."/> 
      <comment value="Mappings are not necessarily specific enough for safe translation.  Note that ElementDefiniti

      on.code can provide a mapping to terminologies or other simple data element collections."/> 
      <requirements value="Provides guidance to implementers familiar with or converting content from other

       specifications."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="ElementDefinition.mapping"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Element"/>       </type>       <condition value="eld-27"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children or both"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="mappingSpecification"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Registered_item).document_reference[document_type=mapping]  Also, .meaning linkage

         to Data_Element_Concept is done as a mapping to a reference model.  (Data_Element_Concepts
         are all defined in some sort of reference model, be that Object_Class and Property
         or some other mechanism)"/> 
      </mapping>     </element>     <element id="ElementDefinition.mapping.id">      <path value="ElementDefinition.mapping.id"/>       <representation value="xmlAttr"/>       <short value="Unique id for inter-element referencing"/>       <definition value="Unique id for the element within a resource (for internal references). This may

       be any string value that does not contain spaces."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (j)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <condition value="ele-1"/>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.mapping.extension">      <path value="ElementDefinition.mapping.extension"/>       <slicing>         <discriminator>           <type value="value"/>           <path value="url"/>         </discriminator>         <description value="Extensions are always sliced by (at least) url"/>         <rules value="open"/>       </slicing>       <short value="Additional content defined by implementations"/>       <definition value="May be used to represent additional information that is not part of the basic definition

       of the element. To make the use of extensions safe and managable, there is a strict
       set of governance applied to the definition and use of extensions. Though any implementer
       can define an extension, there is a set of requirements that SHALL be met as part
       of the definition of the extension."/> 
      <comment value="There can be no stigma associated with the use of extensions by any application,

       project, or standard - regardless of the institution or jurisdiction that uses
       or defines the extensions.  The use of extensions is what allows the FHIR specification
       to retain a core level of simplicity for everyone."/> 
      <alias value="extensions"/>       <alias value="user content"/>       <min value="0"/>       <max value="*"/>       <base>         <path value="Element.extension"/>         <min value="0"/>         <max value="*"/>       </base>       <type>         <code value="Extension"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>       <mapping>         <identity value="rim"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.mapping.identity">      <path value="ElementDefinition.mapping.identity"/>       <short value="Reference to mapping declaration"/>       <definition value="An internal reference to the definition of a mapping."/>       <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.mapping.identity"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="id"/>       </type>       <condition value="eld-27"/>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.mapping.language">      <path value="ElementDefinition.mapping.language"/>       <short value="Computable language of mapping"/>       <definition value="Identifies the computable language in which mapping.map is expressed."/>       <comment value="If omitted, then there can be no expectation of computational interpretation of

       the mapping."/> 
      <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.mapping.language"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="code"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="The mime type of an attachment. Any valid mime type is allowed."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="MimeType"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">          <valueBoolean value="true"/>         </extension>         <strength value="required"/>         <description value="BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)"/>         <valueSet value="http://hl7.org/fhir/ValueSet/mimetypes|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.mapping.map">      <path value="ElementDefinition.mapping.map"/>       <short value="Details of the mapping"/>       <definition value="Expresses what part of the target specification corresponds to this element."/>       <comment value="For most mappings, the syntax is undefined.  Syntax will be provided for mappings

       to the RIM.  Multiple mappings may be possible and may include constraints on other
       resource elements that identify when a particular mapping applies."/> 
      <min value="1"/>       <max value="1"/>       <base>         <path value="ElementDefinition.mapping.map"/>         <min value="1"/>         <max value="1"/>       </base>       <type>         <code value="string"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="ObjectClass, Property (this is one possible data model that can be mapped to -

         the uri would identify the data model  mappingSpecification.mappingScript"/> 
      </mapping>     </element>     <element id="ElementDefinition.mapping.comment">      <path value="ElementDefinition.mapping.comment"/>       <short value="Comments about the mapping or its use"/>       <definition value="Comments that provide information about the mapping or its use."/>       <min value="0"/>       <max value="1"/>       <base>         <path value="ElementDefinition.mapping.comment"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <code value="markdown"/>       </type>       <constraint>         <key value="ele-1"/>         <severity value="error"/>         <human value="All FHIR elements must have a @value or children"/>         <expression value="hasValue() or (children().count() &gt; id.count())"/>         <source value="http://hl7.org/fhir/StructureDefinition/Element"/>       </constraint>       <isModifier value="false"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>   </snapshot>   <differential>     <element id="ElementDefinition">      <path value="ElementDefinition"/>       <short value="Definition of an element in a resource or extension"/>       <definition value="Captures constraints on each element within the resource, profile, or extension."/>       <min value="0"/>       <max value="*"/>       <constraint>         <key value="eld-19"/>         <severity value="error"/>         <human value="Element path SHALL be expressed as a set of '.'-separated components with each

         component restricted to a maximum of 64 characters and with some limits on the
         allowed choice of characters"/> 
        <expression value="path.matches('^[^\\s\\.,:;\\\'&quot;\\/|?!@#$%&amp;*()\\[\\]{}]{1,64}(\\.[^\\s\\.,:;\\\'&quot

        ;\\/|?!@#$%&amp;*()\\[\\]{}]{1,64}(\\[x\\])?(\\:[^\\s\\.]+)?)*$')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-2"/>         <severity value="error"/>         <human value="Min &lt;= Max"/>         <expression value="min.empty() or max.empty() or (max = '*') or iif(max != '*', min &lt;= max.toInteger())"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-5"/>         <severity value="error"/>         <human value="if the element definition has a contentReference, it cannot have type, defaultValue,

         fixed, pattern, example, minValue, maxValue, maxLength, or binding"/> 
        <expression value="contentReference.empty() or (type.empty() and defaultValue.empty() and fixed.empty()

         and pattern.empty() and example.empty() and minValue.empty() and maxValue.empty()
         and maxLength.empty() and binding.empty())"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-7"/>         <severity value="error"/>         <human value="Pattern may only be specified if there is one type"/>         <expression value="pattern.empty() or (type.count() &lt;= 1)"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-6"/>         <severity value="error"/>         <human value="Fixed value may only be specified if there is one type"/>         <expression value="fixed.empty() or (type.count()  &lt;= 1)"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-22"/>         <severity value="error"/>         <human value="sliceIsConstraining can only appear if slicename is present"/>         <expression value="sliceIsConstraining.exists() implies sliceName.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-11"/>         <severity value="error"/>         <human value="Binding can only be present for coded elements, string, and uri if using FHIR-defined

         types"/> 
        <expression value="binding.empty() or type.code.empty() or type.code.contains(':') or type.select((code

         = 'code') or (code = 'Coding') or (code='CodeableConcept') or (code = 'Quantity')
         or (code = 'string') or (code = 'uri') or (code = 'Duration')).exists()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-33"/>         <severity value="warning"/>         <human value="If there's more than one bindable type, it's usually an error for there to be a

         binding"/> 
        <expression value="type.where(code in 'code' | 'Coding' | 'CodeableConcept' | 'CodeableReference'

         | 'uri' | 'string' | 'Quantity').count() &gt; 1 implies binding.empty()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-8"/>         <severity value="error"/>         <human value="Pattern and fixed are mutually exclusive"/>         <expression value="pattern.empty() or fixed.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-25"/>         <severity value="warning"/>         <human value="Order has no meaning (and cannot be asserted to have meaning), so enforcing rules

         on order is improper"/> 
        <expression value="orderMeaning.empty() implies slicing.where(rules='openAtEnd' or ordered).exists().not()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-14"/>         <severity value="error"/>         <human value="Constraints must be unique by key"/>         <expression value="constraint.select(key).isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">          <valueBoolean value="true"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">          <valueMarkdown value="pattern[x] is generally preferred over fixed[x] because it doesn't preclude the

           use of id and additional extensions, though there are corner cases when it's appropriate
           to exclude those"/> 
        </extension>         <key value="eld-24"/>         <severity value="warning"/>         <human value="pattern[x] should be used rather than fixed[x]"/>         <expression value="fixed.exists().not()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-13"/>         <severity value="error"/>         <human value="Types must be unique by code"/>         <expression value="type.select(code).isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-27"/>         <severity value="warning"/>         <human value="Mappings SHOULD be unique by key"/>         <expression value="mapping.select(identity).isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-16"/>         <severity value="error"/>         <human value="sliceName must be composed of proper tokens separated by &quot;/&quot;"/>         <expression value="sliceName.empty() or sliceName.matches('^[a-zA-Z0-9\\/\\-_\\[\\]\\@]+$')"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-15"/>         <severity value="error"/>         <human value="default value and meaningWhenMissing are mutually exclusive"/>         <expression value="defaultValue.empty() or meaningWhenMissing.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-18"/>         <severity value="error"/>         <human value="Must have a modifier reason if isModifier = true"/>         <expression value="(isModifier.exists() and isModifier) implies isModifierReason.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-28"/>         <severity value="error"/>         <human value="Can't have valueAlternatives if mustHaveValue is true"/>         <expression value="mustHaveValue.value implies valueAlternatives.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-20"/>         <severity value="warning"/>         <human value="The first component of the path should be UpperCamelCase.  Additional components

         (following a '.') should be lowerCamelCase.  If this syntax is not adhered to,
         code generation tools may be broken. Logical models may be less concerned about
         this implication."/> 
        <expression value="path.matches('^[A-Za-z][A-Za-z0-9]{0,63}(\\.[a-z][A-Za-z0-9]{0,63}(\\[x])?)*$')"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <mapping>         <identity value="v2"/>         <map value="OM1"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="Observation[classCode=OBS, moodCode=DEFN]"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="RetrieveMetadata response"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Data_Element"/>       </mapping>     </element>     <element id="ElementDefinition.path">      <path value="ElementDefinition.path"/>       <short value="Path of the element in the hierarchy of elements"/>       <definition value="The path identifies the element and is expressed as a &quot;.&quot;-separated list

       of ancestor elements, beginning with the name of the resource or extension."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <condition value="eld-19"/>       <condition value="eld-20"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Name, Identifier &amp; Context"/>       </mapping>     </element>     <element id="ElementDefinition.representation">      <path value="ElementDefinition.representation"/>       <short value="xmlAttr | xmlText | typeAttr | cdaText | xhtml"/>       <definition value="Codes that define how this element is represented in instances, when the deviation

       varies from the normal case. No extensions are allowed on elements with a representation
       of 'xmlAttr', no matter what FHIR serialization format is used."/> 
      <comment value="In resources, this is rarely used except for special cases where the representation

       deviates from the normal, and can only be done in the base standard (and profiles
       must reproduce what the base standard does). This element is used quite commonly
       in Logical models when the logical models represent a specific serialization format
       (e.g. CDA, v2 etc.)."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="code"/>       </type>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How a property is represented when serialized."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="PropertyRepresentation"/>         </extension>         <strength value="required"/>         <description value="How a property is represented when serialized."/>         <valueSet value="http://hl7.org/fhir/ValueSet/property-representation|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.sliceName">      <path value="ElementDefinition.sliceName"/>       <short value="Name for this particular element (in a set of slices)"/>       <definition value="The name of this element definition slice, when slicing is working. The name must

       be a token with no dots or spaces. This is a unique name referring to a specific
       set of constraints applied to this element, used to provide a name to different
       slices of the same element."/> 
      <comment value="The name SHALL be unique within the structure within the context of the constrained

       resource element.  (Though to avoid confusion, uniqueness across all elements is
       recommended.)."/> 
      <requirements value="May also be used for code generation purposes."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <condition value="eld-22"/>       <condition value="eld-16"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.sliceIsConstraining">      <path value="ElementDefinition.sliceIsConstraining"/>       <short value="If this slice definition constrains an inherited slice definition (or not)"/>       <definition value="If true, indicates that this slice definition is constraining a slice definition

       with the same name in an inherited profile. If false, the slice is not overriding
       any slice in an inherited profile. If missing, the slice might or might not be
       overriding a slice in an inherited profile, depending on the sliceName."/> 
      <comment value="If set to true, an ancestor profile SHALL have a slicing definition with this name.

        If set to false, no ancestor profile is permitted to have a slicing definition
       with this name."/> 
      <requirements value="Allows detection of a situation where an ancestor profile adds or removes slicing

       with the same name where that might impact the child profile."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <condition value="eld-22"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.label">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.label"/>       <short value="String to display with or prompt for element"/>       <definition value="A single preferred label which is the text to display beside the element indicating

       its meaning or to use to prompt for the element in a user display or form."/> 
      <comment value="See also the extension [http://hl7.org/fhir/StructureDefinition/elementdefinition-question](h

      ttps://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-elementdefinition-question.ht
      ml)."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./code/display"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.code">      <path value="ElementDefinition.code"/>       <short value="Corresponding codes in terminologies"/>       <definition value="A code that has the same meaning as the element in a particular terminology."/>       <comment value="The concept SHALL be properly aligned with the data element definition and other

       constraints, as defined in the code system, including relationships, of any code
       listed here.  Where multiple codes exist in a terminology that could correspond
       to the data element, the most granular code(s) should be selected, so long as they
       are not more restrictive than the data element itself. The mappings may be used
       to provide more or less granular or structured equivalences in the code system.
This is used for both mapping to formal terminologies as well as to informal collections
       of data elements provided they can be treated as a 'system' (i.e. a single namespace
       with a canonical URI).  For mappings to more complex structures not identifiable
       with a single id, use the ElementDefinition.mapping structure."/> 
      <requirements value="Links the meaning of an element to an external terminology, and is very useful

       for searching and indexing."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="Coding"/>       </type>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="Codes that indicate the meaning of a data element."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ElementDefinitionCode"/>         </extension>         <strength value="example"/>         <description value="Codes that indicate the meaning of a data element."/>         <valueSet value="http://loinc.org/vs"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="OM1.7"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./code (root or translation)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Data_Element).data_element_concept.identifier"/>       </mapping>     </element>     <element id="ElementDefinition.slicing">      <path value="ElementDefinition.slicing"/>       <short value="This element is sliced - slices follow"/>       <definition value="Indicates that the element is sliced into a set of alternative definitions (i.e.

       in a structure definition, there are multiple different constraints on a single
       element in the base resource). Slicing can be used in any resource that has cardinality
       ..* on the base resource, or any resource with a choice of types. The set of slices
       is any elements that come after this in the element sequence that have the same
       path, until a shorter path occurs (the shorter path terminates the set)."/> 

      <comment value="The first element in the sequence, the one that carries the slicing, is the definition
       that applies to all the slices. This is based on the unconstrained element, but can apply
       any constraints as appropriate. This may include the common constraints on the children
       of the element.
      
      
      
        
      
      
        
        
        
        
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Designates which child elements are used to discriminate between the slices when processing
       an instance. If one or more discriminators are provided, the value of the child elements
       in the instance data SHALL completely distinguish which slice the element in the resource
       matches based on the allowed values for those elements in each of the slices.
      
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      
      
      
        
      
      
      
        
          
        
        
        
        
      
      
        
        
      
    
    
      
      
      A FHIRPath expression, using [the simple subset of FHIRPath](fhirpath.html#simple), that
       is used to identify the element on which discrimination is based.
      
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

       that applies to all the slices. This is based on the unconstrained element, but
       can apply any constraints as appropriate. This may include the common constraints
       on the children of the element."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="Element"/>       </type>       <condition value="eld-25"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator">      <path value="ElementDefinition.slicing.discriminator"/>       <short value="Element values that are used to distinguish the slices"/>       <definition value="Designates which child elements are used to discriminate between the slices when

       processing an instance. If one or more discriminators are provided, the values
       of the child elements in the instance data SHALL completely distinguish which slice
       the element in the resource matches based on the allowed values for those elements
       in each of the slices."/> 
      <comment value="If there is no discriminator, the content is hard to process, so this should be

       avoided."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="Element"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator.type">      <path value="ElementDefinition.slicing.discriminator.type"/>       <short value="value | exists | type | profile | position"/>       <definition value="How the element value is interpreted when discrimination is evaluated."/>       <comment value="'pattern' is deprecated - it works exactly the same as 'value'."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How an element value is interpreted when discrimination is evaluated."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="DiscriminatorType"/>         </extension>         <strength value="required"/>         <description value="How an element value is interpreted when discrimination is evaluated."/>         <valueSet value="http://hl7.org/fhir/ValueSet/discriminator-type|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.discriminator.path">      <path value="ElementDefinition.slicing.discriminator.path"/>       <short value="Path to element value"/>       <definition value="A FHIRPath expression, using [the simple subset of FHIRPath](fhirpath.html#simple),

       that is used to identify the element on which discrimination is based."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.description">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.slicing.description"/>       <short value="Text description of how slicing works (or not)"/> 
      <definition value="A human-readable text description of how the slicing works. If there is no discriminator,
       this is required to be present to provide whatever information is possible about how the
       slices can be differentiated.
      If it's really not possible to differentiate them, the design should be re-evaluated to
       make the content usable.
      
      
      
        
      
      
      
      
        
        
      
    
    
      
      
      

       this is required to be present to provide whatever information is possible about
       how the slices can be differentiated."/> 
      <comment value="If it's really not possible to differentiate them, the design should be re-evaluated

       to make the content usable."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.ordered">      <path value="ElementDefinition.slicing.ordered"/>       <short value="If elements must be in same order as slices"/>       <definition value="If the matching elements have to occur in the same order as defined in the profile."/> 
      <comment value="Order should only be required when it is a pressing concern for presentation. Profile
       authors should consider making the order a feature of the rules about the narrative, not
       the rules about the data - requiring ordered data makes the profile much less re-usable.
      
      
      
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Whether additional slices are allowed or not. When the slices are ordered, profile authors
       can also say that additional slices are only allowed at the end.
      Allowing additional elements makes for a much for flexible template - it's open for use
       in wider contexts, but also means that the content of the resource is not closed, and
       applications have to decide how to handle content not described by the profile.
      
      
      
        
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      
      It is easy for a different short definition to change the meaning of an element and this
       can have nasty downstream consequences. Please be careful when providing short definitions
       in a profile.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

       authors should consider making the order a feature of the rules about the narrative,
       not the rules about the data - requiring ordered data makes the profile much less
       re-usable."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="Order is not required unless specified"/>       <condition value="eld-25"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.slicing.rules">      <path value="ElementDefinition.slicing.rules"/>       <short value="closed | open | openAtEnd"/>       <definition value="Whether additional slices are allowed or not. When the slices are ordered, profile

       authors can also say that additional slices are only allowed at the end."/> 
      <comment value="Allowing additional elements makes for a much for flexible template - it's open

       for use in wider contexts, but also means that the content of the resource is not
       closed, and applications have to decide how to handle content not described by
       the profile."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <condition value="eld-25"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How slices are interpreted when evaluating an instance."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="SlicingRules"/>         </extension>         <strength value="required"/>         <description value="How slices are interpreted when evaluating an instance."/>         <valueSet value="http://hl7.org/fhir/ValueSet/resource-slicing-rules|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.short">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.short"/>       <short value="Concise definition for space-constrained presentation"/>       <definition value="A concise description of what this element means (e.g. for use in autogenerated

       summaries)."/> 
      <comment value="It is easy for a different short definition to change the meaning of an element

       and this can have nasty downstream consequences. Please be careful when providing
       short definitions in a profile."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.definition">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.definition"/>       <short value="Full formal definition as narrative text"/> 
      <definition value="Provides a complete explanation of the meaning of the data element for human readability.
        For the case of elements derived from existing elements (e.g. constraints), the definition
       SHALL be consistent with the base definition, but convey the meaning of the element in
       the particular context of use of the resource. (Note: The text you are reading is specified
       in ElementDefinition.definition).
      It is easy for a different definition to change the meaning of an element and this can
       have nasty downstream consequences. Please be careful when providing definitions in a
       profile.
      
      
      
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      Explanatory notes and implementation guidance about the data element, including notes
       about how to use the data properly, exceptions to proper use, etc. (Note: The text you
       are reading is specified in ElementDefinition.comment).
      If it is possible to capture usage rules using constraints, that mechanism should be used
       in preference to this element.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

        For the case of elements derived from existing elements (e.g. constraints), the
       definition SHALL be consistent with the base definition, but convey the meaning
       of the element in the particular context of use of the resource. (Note: The text
       you are reading is specified in ElementDefinition.definition)."/> 
      <comment value="It is easy for a different definition to change the meaning of an element and this

       can have nasty downstream consequences. Please be careful when providing definitions
       in a profile."/> 
      <requirements value="To allow a user to state the usage of an element in a particular context."/>       <alias value="Description"/>       <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM1.6, OM1.41"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./text"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Designatable_Item).definition.text  acceptability=preferred in default context"/>       </mapping>     </element>     <element id="ElementDefinition.comment">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.comment"/>       <short value="Comments about the use of this element"/>       <definition value="Explanatory notes and implementation guidance about the data element, including

       notes about how to use the data properly, exceptions to proper use, etc. (Note:
       The text you are reading is specified in ElementDefinition.comment)."/> 
      <comment value="If it is possible to capture usage rules using constraints, that mechanism should

       be used in preference to this element."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="NTE, OM1.32, OM1.33, OM1.39"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="./inboundRelationship[typeCode=SUBJ]/source[classCode=LIST, moodCode=EVN]/code"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Administered_Item).explanatory_comment"/>       </mapping>     </element>     <element id="ElementDefinition.requirements">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.requirements"/>       <short value="Requirements satisfied by this element/structure and its constraints"/> 
      <definition value="This element is for traceability of why the element was created and why the constraints
       exist as they do. This may be used to point to source materials or specifications that
       drove the structure of this element.
      This element does not describe the usage of the element (that's done in comments), rather
       it's for traceability of *why* the element is either needed or why the constraints exist
       as they do.  This may be used to point to source materials or specifications that drove
       the structure of this data element.
      
      
      
        
      
      
      
        
        ./inboundRelationship[typeCode=META]/source[classCode=ACT, moodCode=EVN, isCriterionInd=true]/reason
        Code/originalText
      
      
        
        
      
    
    
      
        
      
      
      
      

       exist as they do. This may be used to point to source materials or specifications
       that drove the structure of this element."/> 
      <comment value="This element does not describe the usage of the element (that's done in comments),

       rather it's for traceability of *why* the element is either needed or why the constraints
       exist as they do.  This may be used to point to source materials or specifications
       that drove the structure of this data element."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="./inboundRelationship[typeCode=META]/source[classCode=ACT, moodCode=EVN, isCriterionInd=true]

        /reasonCode/originalText"/> 
      </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Registered_item).document_reference[document_type=requirements].notation"/>       </mapping>     </element>     <element id="ElementDefinition.alias">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.alias"/>       <short value="Other names"/>       <definition value="Identifies additional names by which this element might also be known."/> 
      <requirements value="Allows for better easier recognition of the element by multiple communities, including
       international communities.
      
      
      
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        (Designatable_Item).designation.sign  acceptability!=preferred or context is other than
         default
      
      
        
        
      
    
    
      
      
      
      
      
      
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      
      
      
        
      
      
      
      
        
        
        
        
        @value='*' or (normalize-space(@value)!='' and normalize-space(translate(@value, '0123456789',''))='
        ')
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      

       international communities."/> 
      <alias value="synonym"/>       <alias value="other name"/>       <min value="0"/>       <max value="*"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM1.8, OM1.52"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="Not currently expressible"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="(Designatable_Item).designation.sign  acceptability!=preferred or context is other

         than default"/> 
      </mapping>     </element>     <element id="ElementDefinition.min">      <path value="ElementDefinition.min"/>       <short value="Minimum Cardinality"/>       <definition value="The minimum number of times this element SHALL appear in the instance."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="unsignedInt"/>       </type>       <condition value="eld-2"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Minimum  size of  data element  values?"/>       </mapping>     </element>     <element id="ElementDefinition.max">      <path value="ElementDefinition.max"/>       <short value="Maximum Cardinality (a number or *)"/>       <definition value="The maximum number of times this element is permitted to appear in the instance."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <condition value="eld-2"/>       <constraint>         <key value="eld-3"/>         <severity value="error"/>         <human value="Max SHALL be a number or &quot;*&quot;"/>         <expression value="empty() or ($this = '*') or (toInteger() &gt;= 0)"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OMC.10"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Maximum  size of  data element  values?"/>       </mapping>     </element>     <element id="ElementDefinition.base">      <path value="ElementDefinition.base"/>       <short value="Base definition information for tools"/> 
      <definition value="Information about the base definition of the element, provided to make it unnecessary
       for tools to trace the deviation of the element through the derived and related profiles.
       When the element definition is not the original definition of an element - i.g. either
       in a constraint on another type, or for elements from a super type in a snap shot - then
       the information in provided in the element definition may be different to the base definition.
       On the original definition of the element, it will be same.
      The base information does not carry any information that could not be determined from
       the path and related profiles, but making this determination requires both that the related
       profiles are available, and that the algorithm to determine them be available. For tooling
       simplicity, the base information must always be populated in element definitions in snap
       shots, even if it is the same.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      The Path that identifies the base element - this matches the ElementDefinition.path for
       that element. Across FHIR, there is only one base definition of any element - that is,
       an element definition on a [StructureDefinition](structuredefinition.html#) without a
       StructureDefinition.base.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      

       for tools to trace the deviation of the element through the derived and related
       profiles. When the element definition is not the original definition of an element
       - e.g. either in a constraint on another type, or for elements from a super type
       in a snap shot - then the information in provided in the element definition may
       be different to the base definition. On the original definition of the element,
       it will be same."/> 
      <comment value="The base information does not carry any information that could not be determined

       from the path and related profiles, but making this determination requires both
       that the related profiles are available, and that the algorithm to determine them
       be available. For tooling simplicity, the base information must always be populated
       in element definitions in snap shots, even if it is the same."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="Element"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.path">      <path value="ElementDefinition.base.path"/>       <short value="Path that identifies the base element"/>       <definition value="The Path that identifies the base element - this matches the ElementDefinition.path

       for that element. Across FHIR, there is only one base definition of any element
       - that is, an element definition on a [StructureDefinition](structuredefinition.html#)
       without a StructureDefinition.base."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.min">      <path value="ElementDefinition.base.min"/>       <short value="Min cardinality of the base element"/>       <definition value="Minimum cardinality of the base element identified by the path."/> 
      <comment value="This is provided for consistency with max, and may affect code generation of mandatory
       elements of the base resource are generated differently (some reference implementations
       have done this).
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      This is provided to code generation, since the serialization representation in JSON differs
       depending on whether the base element has max &gt; 1. Also, some forms of code generation
       may differ.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Identifies an element defined elsewhere in the definition whose content rules should be
       applied to the current element. ContentReferences bring across all the rules that are
       in the ElementDefinition for the element, including definitions, cardinality constraints,
       bindings, invariants etc.
      ContentReferences can only be defined in specializations, not constrained types, and they
       cannot be changed and always reference the non-constrained definition.
      
      
      
        
      
      
      
      
        
        
      
    
    
      
        
      
      
      
      
      The Type of the element can be left blank in a differential constraint, in which case
       the type is inherited from the resource. Abstract types are not permitted to appear as
       a type when multiple types are listed.  (I.e. Abstract types cannot be part of a choice).
      
      
      
        
      
      
      
        
        
        
        
        not(exists(f:aggregation)) or exists(f:code[@value = 'Reference']) or exists(f:code[@value
         = 'canonical'])
      
      
        
        
        
        
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      

       have done this)."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="unsignedInt"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.base.max">      <path value="ElementDefinition.base.max"/>       <short value="Max cardinality of the base element"/>       <definition value="Maximum cardinality of the base element identified by the path."/>       <comment value="This is provided to code generation, since the serialization representation in

       JSON differs depending on whether the base element has max &gt; 1. Also, some forms
       of code generation may differ."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.contentReference">      <path value="ElementDefinition.contentReference"/>       <short value="Reference to definition of content for the element"/>       <definition value="Identifies an element defined elsewhere in the definition whose content rules should

       be applied to the current element. ContentReferences bring across all the rules
       that are in the ElementDefinition for the element, including definitions, cardinality
       constraints, bindings, invariants etc."/> 
      <comment value="ContentReferences can only be defined in specializations, not constrained types,

       and they cannot be changed and always reference the non-constrained definition."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="uri"/>       </type>       <condition value="eld-5"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A"/>       </mapping>     </element>     <element id="ElementDefinition.type">      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">        <valueString value="TypeRef"/>       </extension>       <path value="ElementDefinition.type"/>       <short value="Data type and Profile for this element"/>       <definition value="The data type or resource that the value of this element is permitted to be."/>       <comment value="The Type of the element can be left blank in a differential constraint, in which

       case the type is inherited from the resource. Abstract types are not permitted
       to appear as a type when multiple types are listed.  (I.e. Abstract types cannot
       be part of a choice)."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="Element"/>       </type>       <condition value="eld-13"/>       <condition value="eld-7"/>       <condition value="eld-6"/>       <condition value="eld-11"/>       <condition value="eld-5"/>       <constraint>         <key value="eld-30"/>         <severity value="warning"/>         <human value="targetProfiles SHOULD be unique"/>         <expression value="targetProfile.isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-4"/>         <severity value="error"/>         <human value="Aggregation may only be specified if one of the allowed types for the element is

         a reference"/> 
        <expression value="aggregation.empty() or (code = 'Reference') or (code = 'canonical') or (code =

         'CodeableReference')"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-29"/>         <severity value="warning"/>         <human value="profiles SHOULD be unique"/>         <expression value="profile.isDistinct()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-17"/>         <severity value="error"/>         <human value="targetProfile is only allowed if the type is Reference or canonical"/>         <expression value="(code='Reference' or code = 'canonical' or code = 'CodeableReference') or targetProfile.empty

        ()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM1.3, OMC.9"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="valueDomain.dataType"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.data+Q14type"/>       </mapping>     </element>     <element id="ElementDefinition.type.code">      <path value="ElementDefinition.type.code"/>       <short value="Data type or Resource (reference to definition)"/> 
      <definition value="URL of Data type or Resource that is a(or the) type used for this element. References
       are URLs that are relative to http://hl7.org/fhir/StructureDefinition e.g. &quot;string&quot;
       is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs are only
       allowed in logical models.
      If the element is a reference to another resource, this element contains &quot;Reference&quot;,
       and the targetProfile element defines what resources can be referenced. The targetProfile
       may be a reference to the general definition of a resource (e.g. http://hl7.org/fhir/StructureDefini
      tion/Patient).
      
      
      
        
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Identifies a profile structure or implementation Guide that applies to the datatype this
       element refers to. If any profiles are specified, then the content must conform to at
       least one of them. The URL can be a local reference - to a contained StructureDefinition,
       or a reference to another StructureDefinition or Implementation Guide by a canonical URL.
       When an implementation guide is specified, the type SHALL conform to at least one profile
       defined in the implementation guide.
      It is possible to profile  backbone element (e.g. part of a resource), using the [profile-element](e
      xtension-elementdefinition-profile-element.html) extension.
      
      
      
        
        
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Used when the type is &quot;Reference&quot; or &quot;canonical&quot;, and identifies a
       profile structure or implementation Guide that applies to the target of the reference
       this element refers to. If any profiles are specified, then the content must conform to
       at least one of them. The URL can be a local reference - to a contained StructureDefinition,
       or a reference to another StructureDefinition or Implementation Guide by a canonical URL.
       When an implementation guide is specified, the target resource SHALL conform to at least
       one profile defined in the implementation guide.
      
      
      
        
        
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      

       is a reference to http://hl7.org/fhir/StructureDefinition/string. Absolute URLs
       are only allowed in logical models."/> 
      <comment value="If the element is a reference to another resource, this element contains &quot;Reference&quot

      ;, and the targetProfile element defines what resources can be referenced. The targetProfile
       may be a reference to the general definition of a resource (e.g. http://hl7.org/fhir/Structur
      eDefinition/Patient)."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="uri"/>       </type>       <condition value="eld-11"/>       <condition value="eld-13"/>       <condition value="eld-4"/>       <condition value="eld-17"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="List of all Types for ElementDefinition.type.code."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ElementDefinitionTypes"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">          <valueBoolean value="true"/>         </extension>         <strength value="extensible"/>         <description value="List of all Types for ElementDefinition.type.code."/>         <valueSet value="http://hl7.org/fhir/ValueSet/elementdefinition-types"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="OM1.3"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.data+Q14type"/>       </mapping>     </element>     <element id="ElementDefinition.type.profile">      <path value="ElementDefinition.type.profile"/>       <short value="Profiles (StructureDefinition or IG) - one must apply"/>       <definition value="Identifies a profile structure or implementation Guide that applies to the datatype

       this element refers to. If any profiles are specified, then the content must conform
       to at least one of them. The URL can be a local reference - to a contained StructureDefinitio
      n, or a reference to another StructureDefinition or Implementation Guide by a canonical
       URL. When an implementation guide is specified, the type SHALL conform to at least
       one profile defined in the implementation guide."/> 
      <comment value="It is possible to profile  backbone element (e.g. part of a resource), using the

       [http://hl7.org/fhir/StructureDefinition/elementdefinition-profile-element](https://build.fhi
      r.org/ig/HL7/fhir-extensions/StructureDefinition-elementdefinition-profile-element.html)
       extension."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ImplementationGuide"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.targetProfile">      <path value="ElementDefinition.type.targetProfile"/>       <short value="Profile (StructureDefinition or IG) on the Reference/canonical target - one must

       apply"/> 
      <definition value="Used when the type is &quot;Reference&quot; or &quot;canonical&quot;, and identifies

       a profile structure or implementation Guide that applies to the target of the reference
       this element refers to. If any profiles are specified, then the content must conform
       to at least one of them. The URL can be a local reference - to a contained StructureDefinitio
      n, or a reference to another StructureDefinition or Implementation Guide by a canonical
       URL. When an implementation guide is specified, the target resource SHALL conform
       to at least one profile defined in the implementation guide."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ImplementationGuide"/>       </type>       <condition value="eld-17"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.aggregation">      <path value="ElementDefinition.type.aggregation"/>       <short value="contained | referenced | bundled - how aggregated"/> 
      <definition value="If the type is a reference to another resource, how the resource is or can be aggregated
       - is it a contained resource, or a reference, and if the context is a bundle, is it included
       in the bundle.
      
      
      
      
        
      
      
      
      
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Whether this reference needs to be version specific or version independent, or whether
       either can be used.

       - is it a contained resource, or a reference, and if the context is a bundle, is
       it included in the bundle."/> 
      <comment value="See [Aggregation Rules](elementdefinition.html#aggregation) for further clarification."/>       <min value="0"/>       <max value="*"/>       <type>         <code value="code"/>       </type>       <condition value="eld-4"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="How resource references can be aggregated."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="AggregationMode"/>         </extension>         <strength value="required"/>         <description value="How resource references can be aggregated."/>         <valueSet value="http://hl7.org/fhir/ValueSet/resource-aggregation-mode|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="n/a"/>       </mapping>     </element>     <element id="ElementDefinition.type.versioning">      <path value="ElementDefinition.type.versioning"/>       <short value="either | independent | specific"/>       <definition value="Whether this reference needs to be version specific or version independent, or

       whether either can be used."/> 

      <comment value="The base specification never makes a rule as to which form is allowed, but implementation
       guides may do this. See [Aggregation Rules](elementdefinition.html#aggregation) for further
       clarification.
      
      
      
        
      
      
      
        
          
        
        
        Whether a reference needs to be version specific or version independent, or whether either
         can be used.
        
      
      
        
        
      
    
    
      
      
      The value that should be used if there is no value stated in the instance (e.g. 'if not
       otherwise specified, the abstract is false').
      Specifying a default value means that the property can never been unknown - it must always
       have a value. Further, the default value can never be changed, or changed in constraints
       on content models. Defining default values creates many difficulties in implementation
       (e.g. when is a value missing?). For these reasons, default values are (and should be)
       used extremely sparingly. 


       guides may do this. See [Aggregation Rules](elementdefinition.html#aggregation)
       for further clarification."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="Whether a reference needs to be version specific or version independent, or whether

           either can be used."/> 
        </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ReferenceVersionRules"/>         </extension>         <strength value="required"/>         <description value="Whether a reference needs to be version specific or version independent, or whether

         either can be used."/> 
        <valueSet value="http://hl7.org/fhir/ValueSet/reference-version-rules|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.defaultValue[x]">      <path value="ElementDefinition.defaultValue[x]"/>       <short value="Specified value if missing from instance"/>       <definition value="The value that should be used if there is no value stated in the instance (e.g.

       'if not otherwise specified, the abstract is false')."/> 
      <comment value="Specifying a default value means that the property can never been unknown - it

       must always have a value. Further, the default value can never be changed, or changed
       in constraints on content models. Defining default values creates many difficulties
       in implementation (e.g. when is a value missing?). For these reasons, default values
       are (and should be) used extremely sparingly. 

No default values are ever defined in the FHIR specification, nor can they be defined
       in constraints (&quot;profiles&quot;) on data types or resources. This element only exists
       so that default values may be defined in logical models.
      
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
      
        
        
      
    
    
      
        
      
      
      
      The Implicit meaning that is to be understood when this element is missing (e.g. 'when
       this element is missing, the period is ongoing').
      Implicit meanings for missing values can only be specified on a resource, data type, or
       extension definition, and never in a profile that applies to one of these. An implicit
       meaning for a missing value can never be changed, and specifying one has the consequence
       that constraining its use in profiles eliminates use cases as possibilities, not merely
       moving them out of scope.
      
      
      
        
      
      
      
      
        
        
      
    
    
      
      

       in constraints (&quot;profiles&quot;) on data types or resources. This element
       only exists so that default values may be defined in logical models."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <condition value="eld-15"/>       <condition value="eld-5"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.meaningWhenMissing">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.meaningWhenMissing"/>       <short value="Implicit meaning when this element is missing"/>       <definition value="The Implicit meaning that is to be understood when this element is missing (e.g.

       'when this element is missing, the period is ongoing')."/> 
      <comment value="Implicit meanings for missing values can only be specified on a resource, data

       type, or extension definition, and never in a profile that applies to one of these.
       An implicit meaning for a missing value can never be changed, and specifying one
       has the consequence that constraining its use in profiles eliminates use cases
       as possibilities, not merely moving them out of scope."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <condition value="eld-15"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.orderMeaning">      <path value="ElementDefinition.orderMeaning"/>       <short value="What the order of the elements means"/> 
      <definition value="If present, indicates that the order of the repeating element has meaning and describes
       what that meaning is.  If absent, it means that the order of the element has no meaning.
      This element can only be asserted on repeating elements and can only be introduced when
       defining resources or data types.  It can be further refined profiled elements but if
       absent in the base type, a profile cannot assert meaning.
      
      
      
        
      
      
      
        
        
      
    
    
      
      
      Specifies a value that SHALL be exactly the value  for this element in the instance. For
       purposes of comparison, non-significant whitespace is ignored, and all values must be
       an exact match (case and accent sensitive). Missing elements/attributes must also be missing.
      This is not recommended for Coding and CodeableConcept since these often have highly contextual
       properties such as version or display.
      
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Specifies a value that the value in the instance SHALL follow - that is, any value in
       the pattern must be found in the instance. Other additional values may be found too. This
       is effectively constraint by example.  

When pattern[x] is used to constrain a primitive, it means that the value provided in
       the pattern[x] must match the instance value exactly.

When pattern[x] is used to constrain an array, it means that each element provided in
       the pattern[x] array must (recursively) match at least one element from the instance array.

When pattern[x] is used to constrain a complex object, it means that each property in
       the pattern must be present in the complex object, and its value must recursively match
       -- i.e.,

1. If primitive: it must match exactly the pattern value
2. If a complex object: it must match (recursively) the pattern value
3. If an array: it must match (recursively) the pattern value.
      Mostly used for fixing values of CodeableConcept. In general, pattern[x] is not intended
       for use with primitive types, where is has the same meaning as fixed[x].
      
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
      
      
      
        
        
      
    
    
      
      
      A sample value for this element demonstrating the type of information that would typically
       be found in the element.
      Examples will most commonly be present for data where it's not implicitly obvious from
       either the data type or value set what the values might be.  (I.e. Example values for
       dates or quantities would generally be unnecessary.)  If the example value is fully populated,
       the publication tool can generate an instance automatically.
      
      
      
        
      
      
      
        
        
      
    
    
      
        
      
      
      
      
      
      
      
        
      
      
      
        
        
      
    
    
      
      
      
      
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      The minimum allowed value for the element. The value is inclusive. This is allowed for
       the types date, dateTime, instant, time, decimal, integer, and Quantity.
      Except for date/date/instant, the type of the minValue[x] SHALL be the same as the specified
       type of the element. For the date/dateTime/instant values, the type of minValue[x] SHALL
       be either the same, or a [Duration](datatypes.html#Duration) which specifies a relative
       time limit to the current time. The duration value is positive, and is subtracted from
       the current clock to determine the minimum allowable value.   A minimum value for a Quantity
       is interpreted as an canonical minimum - e.g. you cannot provide 100mg if the minimum
       value is 10g.
      
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
        
        
      
    
    
      
      
      The maximum allowed value for the element. The value is inclusive. This is allowed for
       the types date, dateTime, instant, time, decimal, integer, and Quantity.
      Except for date/date/instant, the type of the maxValue[x] SHALL be the same as the specified
       type of the element. For the date/dateTime/instant values, the type of maxValue[x] SHALL
       be either the same, or a [Duration](datatypes.html#Duration) which specifies a relative
       time limit to the current time. The duration value is positive, and is added to the current
       clock to determine the maximum allowable value.   A maximum value for a Quantity is interpreted
       as an canonical maximum - e.g. you cannot provide 10g if the maximum value is 50mg.
      
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
        
      
      
      
        
        
      
    
    
      
      

       what that meaning is.  If absent, it means that the order of the element has no
       meaning."/> 
      <comment value="This element can only be asserted on repeating elements and can only be introduced

       when defining resources or data types.  It can be further refined profiled elements
       but if absent in the base type, a profile cannot assert meaning."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <condition value="eld-25"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.fixed[x]">      <path value="ElementDefinition.fixed[x]"/>       <short value="Value must be exactly this"/>       <definition value="Specifies a value that SHALL be exactly the value  for this element in the instance,

       if present. For purposes of comparison, non-significant whitespace is ignored,
       and all values must be an exact match (case and accent sensitive). Missing elements/attribute
      s must also be missing."/> 
      <comment value="This is not recommended for Coding and CodeableConcept since these often have highly

       contextual properties such as version or display."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <condition value="eld-5"/>       <condition value="eld-6"/>       <condition value="eld-8"/>       <condition value="eld-24"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="N/A (only relevant when constraining, which 11179 doesn't do)"/>       </mapping>     </element>     <element id="ElementDefinition.pattern[x]">      <path value="ElementDefinition.pattern[x]"/>       <short value="Value must have at least these property values"/>       <definition value="Specifies a value that each occurrence of the element in the instance SHALL follow

       - that is, any value in the pattern must be found in the instance, if the element
       has a value. Other additional values may be found too. This is effectively constraint
       by example.  
When pattern[x] is used to constrain a primitive, it means that the value provided
       in the pattern[x] must match the instance value exactly.
When an element within a pattern[x] is used to constrain an array, it means that
       each element provided in the pattern[x] must (recursively) match at least one element
       from the instance array.
When pattern[x] is used to constrain a complex object, it means that each property
       in the pattern must be present in the complex object, and its value must recursively
       match -- i.e.,
1. If primitive: it must match exactly the pattern value
2. If a complex object: it must match (recursively) the pattern value
3. If an array: it must match (recursively) the pattern value
If a pattern[x] is declared on a repeating element, the pattern applies to all
       repetitions.  If the desire is for a pattern to apply to only one element or a
       subset of elements, slicing must be used. See [Examples of Patterns](elementdefinition-exampl
      es.html#pattern-examples) for examples of pattern usage and the effect it will have."/> 
      <comment value="Mostly used for fixing values of CodeableConcept. In general, pattern[x] is not

       intended for use with primitive types, where is has the same meaning as fixed[x]."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <condition value="eld-5"/>       <condition value="eld-7"/>       <condition value="eld-8"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.example">      <path value="ElementDefinition.example"/>       <short value="Example value (as defined for type)"/>       <definition value="A sample value for this element demonstrating the type of information that would

       typically be found in the element."/> 
      <comment value="Examples will most commonly be present for data where it's not implicitly obvious

       from either the data type or value set what the values might be.  (I.e. Example
       values for dates or quantities would generally be unnecessary.)  If the example
       value is fully populated, the publication tool can generate an instance automatically."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="Element"/>       </type>       <condition value="eld-5"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.example.label">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.example.label"/>       <short value="Describes the purpose of this example"/>       <definition value="Describes the purpose of this example among the set of examples."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.example.value[x]">      <path value="ElementDefinition.example.value[x]"/>       <short value="Value of Example (one of allowed types)"/>       <definition value="The actual value for the element, which must be one of the types allowed for this

       element."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="base64Binary"/>       </type>       <type>         <code value="boolean"/>       </type>       <type>         <code value="canonical"/>       </type>       <type>         <code value="code"/>       </type>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="id"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="markdown"/>       </type>       <type>         <code value="oid"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="string"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="uri"/>       </type>       <type>         <code value="url"/>       </type>       <type>         <code value="uuid"/>       </type>       <type>         <code value="Address"/>       </type>       <type>         <code value="Age"/>       </type>       <type>         <code value="Annotation"/>       </type>       <type>         <code value="Attachment"/>       </type>       <type>         <code value="CodeableConcept"/>       </type>       <type>         <code value="CodeableReference"/>       </type>       <type>         <code value="Coding"/>       </type>       <type>         <code value="ContactPoint"/>       </type>       <type>         <code value="Count"/>       </type>       <type>         <code value="Distance"/>       </type>       <type>         <code value="Duration"/>       </type>       <type>         <code value="HumanName"/>       </type>       <type>         <code value="Identifier"/>       </type>       <type>         <code value="Money"/>       </type>       <type>         <code value="Period"/>       </type>       <type>         <code value="Quantity"/>       </type>       <type>         <code value="Range"/>       </type>       <type>         <code value="Ratio"/>       </type>       <type>         <code value="RatioRange"/>       </type>       <type>         <code value="Reference"/>       </type>       <type>         <code value="SampledData"/>       </type>       <type>         <code value="Signature"/>       </type>       <type>         <code value="Timing"/>       </type>       <type>         <code value="ContactDetail"/>       </type>       <type>         <code value="DataRequirement"/>       </type>       <type>         <code value="Expression"/>       </type>       <type>         <code value="ParameterDefinition"/>       </type>       <type>         <code value="RelatedArtifact"/>       </type>       <type>         <code value="TriggerDefinition"/>       </type>       <type>         <code value="UsageContext"/>       </type>       <type>         <code value="Availability"/>       </type>       <type>         <code value="ExtendedContactDetail"/>       </type>       <type>         <code value="VirtualServiceDetail"/>       </type>       <type>         <code value="Dosage"/>       </type>       <type>         <code value="Meta"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".example"/>       </mapping>     </element>     <element id="ElementDefinition.minValue[x]">      <path value="ElementDefinition.minValue[x]"/>       <short value="Minimum Allowed Value (for some types)"/>       <definition value="The minimum allowed value for the element. The value is inclusive. This is allowed

       for the types date, dateTime, instant, time, decimal, integer, and Quantity."/> 
      <comment value="Except for date/date/instant, the type of the minValue[x] SHALL be the same as

       the specified type of the element. For the date/dateTime/instant values, the type
       of minValue[x] SHALL be either the same, or a [Duration](datatypes.html#Duration)
       which specifies a relative time limit to the current time. The duration value is
       positive, and is subtracted from the current clock to determine the minimum allowable
       value.   A minimum value for a Quantity is interpreted as a canonical minimum -
       e.g. you cannot provide 100mg if the minimum value is 10g."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="Quantity"/>       </type>       <condition value="eld-5"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.maxValue[x]">      <path value="ElementDefinition.maxValue[x]"/>       <short value="Maximum Allowed Value (for some types)"/>       <definition value="The maximum allowed value for the element. The value is inclusive. This is allowed

       for the types date, dateTime, instant, time, decimal, integer, and Quantity."/> 
      <comment value="Except for date/date/instant, the type of the maxValue[x] SHALL be the same as

       the specified type of the element. For the date/dateTime/instant values, the type
       of maxValue[x] SHALL be either the same, or a [Duration](datatypes.html#Duration)
       which specifies a relative time limit to the current time. The duration value is
       positive, and is added to the current clock to determine the maximum allowable
       value.   A maximum value for a Quantity is interpreted as a canonical maximum -
       e.g. you cannot provide 10g if the maximum value is 50mg."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="date"/>       </type>       <type>         <code value="dateTime"/>       </type>       <type>         <code value="instant"/>       </type>       <type>         <code value="time"/>       </type>       <type>         <code value="decimal"/>       </type>       <type>         <code value="integer"/>       </type>       <type>         <code value="integer64"/>       </type>       <type>         <code value="positiveInt"/>       </type>       <type>         <code value="unsignedInt"/>       </type>       <type>         <code value="Quantity"/>       </type>       <condition value="eld-5"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.maxLength">      <path value="ElementDefinition.maxLength"/>       <short value="Max length for string type data"/> 
      <definition value="Indicates the maximum length in characters that is permitted to be present in conformant
       instances and which is expected to be supported by conformant consumers that support the
       element.
      Receivers are not required to reject instances that exceed the maximum length.  The full
       length could be stored.  In some cases, data might be truncated, though truncation should
       be undertaken with care and an understanding of the consequences of doing so. If not specified,
       there is no conformance expectation for length support.
      
      
      
        
      
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      

       instances and which is expected to be supported by conformant consumers that support
       the element. ```maxLength``` SHOULD only be used on primitive data types that have
       a have a length (see [Tupe Characteristics](datatypes.html#other) and [http://hl7.org/fhir/St
      ructureDefinition/structuredefinition-type-characteristics](https://build.fhir.org/ig/HL7/fhir
      -extensions/StructureDefinition-structuredefinition-type-characteristics.html))."/> 
      <comment value="Receivers are not required to reject instances that exceed the maximum length.

        The full length could be stored.  In some cases, data might be truncated, though
       truncation should be undertaken with care and an understanding of the consequences
       of doing so. If not specified, there is no conformance expectation for length support."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="integer"/>       </type>       <condition value="eld-5"/>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OMC.12"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.maximum_character_quantity"/>       </mapping>     </element>     <element id="ElementDefinition.condition">      <path value="ElementDefinition.condition"/>       <short value="Reference to invariant about presence"/> 
      <definition value="A reference to an invariant that may make additional statements about the cardinality
       or value in the instance.
      
      
      
        
      
      
      
        
        
      
    
    
      
      

       or value in the instance."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="id"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint">      <path value="ElementDefinition.constraint"/>       <short value="Condition that must evaluate to true"/> 
      <definition value="Formal constraints such as co-occurrence and other constraints that can be computationally
       evaluated within the context of the instance.
      Constraints should be declared on the &quot;context&quot; element - the lowest element
       in the hierarchy that is common to all nodes referenced by the constraint.
      
      
      
        
      
      
        
        
        
        
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Allows identification of which elements have their cardinalities impacted by the constraint.
        Will not be referenced for constraints that do not affect cardinality.
      
      
      
        
      
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
      
      
      
        
        
      
    
    
      
      
      

       evaluated within the context of the instance."/> 
      <comment value="Constraints should be declared on the &quot;context&quot; element - the lowest

       element in the hierarchy that is common to all nodes referenced by the constraint."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="Element"/>       </type>       <condition value="eld-14"/>       <constraint>         <key value="eld-21"/>         <severity value="warning"/>         <human value="Constraints should have an expression or else validators will not be able to enforce

         them"/> 
        <expression value="expression.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-26"/>         <severity value="error"/>         <human value="Errors cannot be suppressed"/>         <expression value="(severity = 'error') implies suppress.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.key">      <path value="ElementDefinition.constraint.key"/>       <short value="Target of 'condition' reference above"/>       <definition value="Allows identification of which elements have their cardinalities impacted by the

       constraint.  Will not be referenced for constraints that do not affect cardinality."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="id"/>       </type>       <condition value="eld-14"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.requirements">      <path value="ElementDefinition.constraint.requirements"/>       <short value="Why this constraint is necessary or appropriate"/>       <definition value="Description of why this constraint is necessary or appropriate."/>       <comment value="To be used if the reason for the constraint might not be intuitive to all implementers."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.severity">      <path value="ElementDefinition.constraint.severity"/>       <short value="error | warning"/>       <definition value="Identifies the impact constraint violation has on the conformance of the instance."/> 
      <comment value="This allows constraints to be asserted as &quot;shall&quot; (error) and &quot;should&quot;
       (warning).
      
      
      
        
      
      
      
        
          
        
        
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      Text that can be used to describe the constraint in messages identifying that the constraint
       has been violated.
      
      
      
      
        
      
      
      
        
        
      
    
    
      
      
      A [FHIRPath](fhirpath.html) expression of constraint that can be executed to see if this
       constraint is met.

       (warning)."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <condition value="eld-26"/>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="SHALL applications comply with this constraint?"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="ConstraintSeverity"/>         </extension>         <strength value="required"/>         <description value="SHALL applications comply with this constraint?"/>         <valueSet value="http://hl7.org/fhir/ValueSet/constraint-severity|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.suppress">      <path value="ElementDefinition.constraint.suppress"/>       <short value="Suppress warning or hint in profile"/>       <definition value="If true, indicates that the warning or best practice guideline should be suppressed."/>       <comment value="This element should only be present in a derived profile where a warning or hint

       has been determined to be spurious/incorrect. E.g. a warning encouraging the inclusion
       of an element that the profile explicitly prohibits."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <condition value="eld-26"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.human">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.constraint.human"/>       <short value="Human description of constraint"/>       <definition value="Text that can be used to describe the constraint in messages identifying that the

       constraint has been violated."/> 
      <comment value="Should be expressed in business terms as much as possible."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.expression">      <path value="ElementDefinition.constraint.expression"/>       <short value="FHIRPath expression of constraint"/>       <definition value="A [FHIRPath](fhirpath.html) expression of constraint that can be executed to see

       if this constraint is met."/> 

      <comment value="In the absense of an expression, the expression is likely not enforceable by validators,
       and might be missed by many systems.
      
      
      
      
        
      
      
      
        
        
      
    
    
      
        
      
      
      
      
      Elements SHALL use &quot;f&quot; as the namespace prefix for the FHIR namespace, and &quot;x&quot;
       for the xhtml namespace, and SHALL NOT use any other prefixes.     Note: XPath is generally
       considered not useful because it does not apply to JSON and other formats and because
       of XSLT implementation issues, and may be removed in the future.
      
      
      
      
        
      
      
      
        
        
      
    
    
      
      
      
      This is used when, e.g. rendering, where it is not useful to present inherited constraints
       when rendering the snapshot.
      
      
      
        
        
      
      
      
        
        
      
    
    
      
      

       and might be missed by many systems."/> 
      <requirements value="Used by validation tooling tests of the validity of the resource."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <condition value="eld-21"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.constraint.source">      <path value="ElementDefinition.constraint.source"/>       <short value="Reference to original source of constraint"/>       <definition value="A reference to the original source of the constraint, for traceability purposes."/>       <comment value="This is used when, e.g. rendering, where it is not useful to present inherited

       constraints when rendering the snapshot."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.mustHaveValue">      <path value="ElementDefinition.mustHaveValue"/>       <short value="For primitives, that a value must be present - not replaced by an extension"/>       <definition value="Specifies for a primitive data type that the value of the data type cannot be replaced

       by an extension."/> 
      <comment value="Typical extensions that can be provided in place of a the value are [http://hl7.org/fhir/Stru

      ctureDefinition/data-absent-reason](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDef
      inition-data-absent-reason.html),  [http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavo
      r](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-iso21090-nullFlavor.html)
      ,  [http://hl7.org/fhir/StructureDefinition/originalText](https://build.fhir.org/ig/HL7/fhir-e
      xtensions/StructureDefinition-originalText.html), and [http://hl7.org/fhir/StructureDefinition
      /cqf-expression](https://build.fhir.org/ig/HL7/fhir-extensions/StructureDefinition-cqf-express
      ion.html). Note that this element has no meaning when a value is provided, and extensions
       can be provided in addition to a value."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <condition value="eld-28"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.valueAlternatives">      <path value="ElementDefinition.valueAlternatives"/>       <short value="Extensions that are allowed to replace a primitive value"/>       <definition value="Specifies a list of extensions that can appear in place of a primitive value."/>       <comment value="If mustHaveValue is true, then this element should not be present, since no extensions

       are allowed in place of the value. Note that this element has no impact if the
       value is present. When valueAlternatives is present, it means that if the element
       is present, it SHALL have either a value or at least one of the listed extensions.
       This element is only permitted on elements with primitive types."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/StructureDefinition"/>       </type>       <meaningWhenMissing value="If this element is missing, then any extension can be used if its context is appropriate"/>       <condition value="eld-28"/>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.mustSupport">      <path value="ElementDefinition.mustSupport"/>       <short value="If the element must be supported (discouraged - see obligations)"/> 
      <definition value="If true, implementations that produce or consume resources SHALL provide &quot;support&quot;
       for the element in some meaningful way.  If false, the element may be ignored and not
       supported. If false, whether to populate or use the data element in any way is at the
       discretion of the implementation.
      &quot;Something useful&quot; is context dependent and impossible to describe in the base
       FHIR specification. For this reason, tue mustSupport flag is never set to true by the
       FHIR specification itself - it is only set to true in profiles.  A profile on a type can
       always make musSupport = true if it is false in the base type but cannot make mustSupport
       = false if it is true in the base type.   This is done in [Resource Profiles](profiling.html#mustsup
      port), where the profile labels an element as mustSupport=true. When a profile does this,
       it SHALL also make clear exactly what kind of &quot;support&quot; is required, as this
       can mean many things.    Note that an element that has the property IsModifier is not
       necessarily a &quot;key&quot; element (e.g. one of the important elements to make use
       of the resource), nor is it automatically mustSupport - however both of these things are
       more likely to be true for IsModifier elements than for other elements.

       for the element in some meaningful way. Note that this is being phased out and
       replaced by obligations (see below).  If false, the element may be ignored and
       not supported. If false, whether to populate or use the data element in any way
       is at the discretion of the implementation."/> 
      <comment value="&quot;Something meaningful&quot; is context dependent and impossible to describe

       in the base FHIR specification. For this reason, the mustSupport flag is never
       set to true by the FHIR specification itself - it is only set to true in profiles.
        A profile on a type can always make mustSupport = true if it is false in the base
       type but cannot make mustSupport = false if it is true in the base type.   This
       is done in [Resource Profiles](profiling.html#mustsupport), where the profile labels
       an element as mustSupport=true. When a profile does this, it SHALL also make clear
       exactly what kind of &quot;support&quot; is required, as this can mean many things.
          Note that an element that has the property IsModifier is not necessarily a &quot;key&quot;
       element (e.g. one of the important elements to make use of the resource), nor is
       it automatically mustSupport - however both of these things are more likely to
       be true for IsModifier elements than for other elements."/> 

      <requirements value="Allows a profile to set expectations for system capabilities beyond merely respecting
       cardinality constraints.
      
      
      
        
      
      In a base type, where the element is being defined for the first time, the element is
       assumed to be mustSupport = false. In a profile (a constraint on an existing type), if
       mustSupport is not specific in either the differentil or the snapshot, the mustSupport
       value is not changed fro the base definition. Not, though, that the snapshot SHOULD always
       populate the mustSuppot value
      
      
        
        
      
      
        
        
      
    
    
      
      
      If true, the value of this element affects the interpretation of the element or resource
       that contains it, and the value of the element cannot be ignored. Typically, this is used
       for status, negation and qualification codes. The effect of this is that the element cannot
       be ignored by systems: they SHALL either recognize the element and process it, and/or
       a pre-determination has been made that it is not relevant to their particular system.
      Only the definition of an element can set IsModifier true - either the specification itself
       or where an extension is originally defined. Once set, it cannot be changed in derived
       profiles. An element/extension that has isModifier=true SHOULD also have a minimum cardinality
       of 1, so that there is no lack of clarity about what to do if it is missing. If it can
       be missing, the definition SHALL make the meaning of a missing element clear.
      Allows elements to be introduced into a specification that can't safely be ignored by
       applications that don't recognize them.
      
      
      
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      Explains how that element affects the interpretation of the resource or element that contains
       it.
      
      
      
        
      
      
      
        
        
      
    
    
      
      

       cardinality constraints."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="In a base type, where the element is being defined for the first time, the element

       is assumed to be mustSupport = false. In a profile (a constraint on an existing
       type), if mustSupport is not specific in either the differential or the snapshot,
       the mustSupport value is not changed from the base definition. Note, though, that
       the snapshot SHOULD always populate the mustSupport value"/> 
      <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.isModifier">      <path value="ElementDefinition.isModifier"/>       <short value="If this modifies the meaning of other elements"/>       <definition value="If true, the value of this element affects the interpretation of the element or

       resource that contains it, and the value of the element cannot be ignored. Typically,
       this is used for status, negation and qualification codes. The effect of this is
       that the element cannot be ignored by systems: they SHALL either recognize the
       element and process it, and/or a pre-determination has been made that it is not
       relevant to their particular system. When used on the root element in an extension
       definition, this indicates whether or not the extension is a modifier extension."/> 
      <comment value="Only the definition of an element can set IsModifier true - either the specification

       itself or where an extension is originally defined. Once set, it cannot be changed
       in derived profiles (except in the special case of the defining a new extension).
       An element/extension that has isModifier=true SHOULD also have a minimum cardinality
       of 1, so that there is no lack of clarity about what to do if it is missing. If
       it can be missing, the definition SHALL make the meaning of a missing element clear.
       See further discussion in the [conformance rules](conformance-rules.html#isModifier)
       section."/> 
      <requirements value="Allows elements to be introduced into a specification that can't safely be ignored

       by applications that don't recognize them."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="An element is not a modifier element unless it is explicitly specified to be one"/>       <condition value="eld-18"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.isModifierReason">      <path value="ElementDefinition.isModifierReason"/>       <short value="Reason that this element is marked as a modifier"/>       <definition value="Explains how that element affects the interpretation of the resource or element

       that contains it."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <condition value="eld-18"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.isSummary">      <path value="ElementDefinition.isSummary"/>       <short value="Include when _summary = true?"/> 
      <definition value="Whether the element should be included if a client requests a search with the parameter
       _summary=true.
      Some resources include a set of simple metadata, and some very large data. This element
       is used to reduce the quantity of data returned in searches. Note that servers may pre-cache
       summarized resources for optimal performance, so servers might not support per-profile
       use of the isSummary flag. When a request is made with _summary=true, serailisers only
       include elements marked as 'isSummary = true'. Other than Attachment.data, all data type
       properties are included in the summary form. In resource and data type definitions, if
       an element is at the root or has a parent that is 'mustSupport' and the minimum cardinality
       is 1 or the element is a modifier, it must be marked as isSummary=true.
      
      
      
      
        
      
      
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      

       _summary=true."/> 
      <comment value="Some resources include a set of simple metadata, and some very large data. This

       element is used to reduce the quantity of data returned in searches. Note that
       servers may pre-cache summarized resources for optimal performance. When a request
       is made with _summary=true, serializers only include elements marked as 'isSummary
       = true'. With a few exceptions (listed below), all datatype properties are included
       in the summary form. In resource and datatype definitions, if an element has a
       descendant within the same StructureDefinition marked as isSummary=true or if it
       satisfies both of the following conditions, it must be marked as isSummary=true:
* is at the root or has a parent that is 'mustSupport'
* has a minimum cardinality of 1 or is a modifier element
The following datatype properties are exceptions, and are not marked as isSummary:
* Attachment.data
* Signature.data, Signature.targetFormat, Signature.sigFormat
* Narrative.status, Narrative.div
* SampledData.data."/> 
      <requirements value="Allow clients to search through large resources quickly."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <meaningWhenMissing value="An element is not included in the summary unless it is explicitly specified to

       be so"/> 
      <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="??"/>       </mapping>     </element>     <element id="ElementDefinition.binding">      <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-explicit-type-name">        <valueString value="ElementDefinitionBinding"/>       </extension>       <path value="ElementDefinition.binding"/>       <short value="ValueSet details if this is coded"/> 
      <definition value="Binds to a value set if this element is coded (code, Coding, CodeableConcept, Quantity),
       or the data types (string, uri).
      For a CodeableConcept, when no codes are allowed - only text, use a binding of strength
       &quot;required&quot; with a description explaining that no coded values are allowed and
       what sort of information to put in the &quot;text&quot; element.
      
      
      
        
      
      
      
        
        
        

       or the data types (string, uri)."/> 
      <comment value="For a CodeableConcept, when no codes are allowed - only text, use a binding of

       strength &quot;required&quot; with a description explaining that no coded values
       are allowed and what sort of information to put in the &quot;text&quot; element."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="Element"/>       </type>       <condition value="eld-11"/>       <condition value="eld-5"/>       <constraint>         <key value="eld-32"/>         <severity value="error"/>         <human value="If the strength is 'descriptive' no value set can ve provided"/>         <expression value="strength = 'descriptive' implies valueSet.empty()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-23"/>         <severity value="error"/>         <human value="binding SHALL have either description or valueSet"/>         <expression value="description.exists() or valueSet.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <key value="eld-12"/>         <severity value="error"/>         <human value="ValueSet SHALL start with http:// or https:// or urn: or #"/> 
        <expression value="valueSet.exists() implies (valueSet.startsWith('http:') or valueSet.startsWith('https')
         or valueSet.startsWith('urn:'))
        (starts-with(string(f:valueSet/@value), 'http:') or starts-with(string(f:valueSet/@value),
         'https:') or starts-with(string(f:valueSet/@value), 'urn:'))
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      Indicates the degree of conformance expectations associated with this binding - that is,
       the degree to which the provided value set must be adhered to in the instances.
      
      
      
      
      
      
        
      
      
      
        
          
        
        
          
        
        
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
        
      
      
      
      
      
      
      
        
      
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      The reference may be version-specific or not (e.g. have a |[version] at the end of the
       canonical URL).
      
      
      
        
        
      
      
      
      
        
        
      
      
        
        
      
      
        
        
      
      
        
        
      
    
    
      
      
      
      
      
      
      
      
        
      
      
      
        
        
      
      
        
        Registered_item).document_reference[document_type=mapping]  Also, .meaning linkage to
         Data_Element_Concept is done as a mapping to a reference model.  (Data_Element_Concepts
         are all defined in some sort of reference model, be that Object_Class and Property or
         some other mechanism)
      
      
        
        
      
    
    
      
      
      
      
      
      
        
      
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
      
      
      
        
          
        
        
          
        
        
        
        
      
      
        
        
      
    
    
      
      
      
      For most mappings, the syntax is undefined.  Syntax will be provided for mappings to the
       RIM.  Multiple mappings may be possible and may include constraints on other resource
       elements that identify when a particular mapping applies.
      
      
      
        
      
      
      
        
        
      
      
        
        ObjectClass, Property (this is one possible data model that can be mapped to - the uri
         would identify the data model  mappingSpecification.mappingScript
      
    
    
      
      
      
      
      
      
        
      
      
      
        
        
      
    
  

         or valueSet.startsWith('urn:') or valueSet.startsWith('#'))"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <constraint>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">          <valueBoolean value="true"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">          <valueMarkdown value="Authors are encouraged to but the max value set on the root, and provide other

           additional value sets as additional bindings"/> 
        </extension>         <key value="eld-34"/>         <severity value="warning"/>         <human value="if there's a required binding with no usage, it should be the base binding"/>         <expression value="strength != 'required' implies additional.where(purpose = 'required' and usage.empty()).empty

        ()"/> 
        <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <isSummary value="true"/>       <mapping>         <identity value="v2"/>         <map value="OM3, OMC.11"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain"/>       </mapping>     </element>     <element id="ElementDefinition.binding.strength">      <path value="ElementDefinition.binding.strength"/>       <short value="required | extensible | preferred | example | descriptive"/>       <definition value="Indicates the degree of conformance expectations associated with this binding -

       that is, the degree to which the provided value set must be adhered to in the instances."/> 
      <comment value="For further discussion, see [Using Terminologies](terminologies.html)."/>       <alias value="conformance"/>       <alias value="extensibility"/>       <min value="1"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="Indication of the degree of conformance expectations associated with a binding."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="BindingStrength"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">          <valueBoolean value="true"/>         </extension>         <strength value="required"/>         <description value="Indication of the degree of conformance expectations associated with a binding."/>         <valueSet value="http://hl7.org/fhir/ValueSet/binding-strength|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="v2"/>         <map value="N/A"/>       </mapping>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.binding.description">      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">        <valueBoolean value="true"/>       </extension>       <path value="ElementDefinition.binding.description"/>       <short value="Guidance on the codes to be used"/>       <definition value="Free-text guidance on the codes that are appropriate for this element."/>       <comment value="This may provide an ad-hoc description of the expected/desired codes in situations

       where defining a specific value set is not possible, to provide additional context
       to a value set that is provided, or to give a summary where terminology constraints
       are expressed only as additional bindings."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <condition value="eld-23"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value=".domain.description"/>       </mapping>     </element>     <element id="ElementDefinition.binding.valueSet">      <path value="ElementDefinition.binding.valueSet"/>       <short value="Source of value set"/>       <definition value="Refers to the value set that identifies the set of codes the binding refers to."/>       <comment value="The reference may be version-specific or not (e.g. have a |[version] at the end

       of the canonical URL)."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>       </type>       <condition value="eld-12"/>       <condition value="eld-23"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="valueDomain.valueSet"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="points to explicit list or expression that evaluates to list of (Enumerated_Value_Domain).mem

        ber"/> 
      </mapping>     </element>     <element id="ElementDefinition.binding.additional">      <path value="ElementDefinition.binding.additional"/>       <short value="Additional Bindings - more rules about the binding"/>       <definition value="Additional bindings that help applications implementing this element. Additional

       bindings do not replace the main binding but provide more information and/or context."/> 
      <comment value="If there are multiple additional bindings, they all apply independently of each

       other."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="Element"/>       </type>       <constraint>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice">          <valueBoolean value="true"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation">          <valueMarkdown value="AdditionalBinding.key is necessary to allow a binding to be constrained"/>         </extension>         <key value="eld-31"/>         <severity value="warning"/>         <human value="additionalBindings should have a key"/>         <expression value="key.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/ElementDefinition"/>       </constraint>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.key">      <path value="ElementDefinition.binding.additional.key"/>       <short value="Unique identifier so additional bindings to be matched across profiles"/>       <definition value="A unique identifier for the additional binding within the element that allows additional

       bindings to be matched across profiles."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="id"/>       </type>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.purpose">      <path value="ElementDefinition.binding.additional.purpose"/>       <short value="maximum | minimum | required | extensible | candidate | current | current-extensible

       | best-practice | preferred | ui | starter | component"/> 
      <definition value="The use of this additional binding."/>       <comment value="Conformance bindings are in addition to the base binding, not instead of it."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="The use of an additional binding."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="AdditionalBindingPurpose"/>         </extension>         <strength value="required"/>         <description value="The use of an additional binding."/>         <valueSet value="http://hl7.org/fhir/ValueSet/additional-binding-purpose|6.0.0-ballot3"/>       </binding>     </element>     <element id="ElementDefinition.binding.additional.valueSet">      <path value="ElementDefinition.binding.additional.valueSet"/>       <short value="The value set for the additional binding"/>       <definition value="The valueSet that is being bound for the purpose."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="canonical"/>         <targetProfile value="http://hl7.org/fhir/StructureDefinition/ValueSet"/>       </type>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.documentation">      <path value="ElementDefinition.binding.additional.documentation"/>       <short value="Documentation of the purpose of use of the binding"/>       <definition value="Documentation of the purpose of use of the binding, providing additional information

       about how it is intended to be used."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.shortDoco">      <path value="ElementDefinition.binding.additional.shortDoco"/>       <short value="Concise documentation - for summary tables"/>       <definition value="Concise documentation - for summary tables."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.usage">      <path value="ElementDefinition.binding.additional.usage"/>       <short value="Qualifies the usage - jurisdiction, gender, workflow status etc."/>       <definition value="Qualifies the usage of the binding. Typically bindings are qualified by jurisdiction,

       but they may also be qualified by gender, workflow status, clinical domain etc.
       The information to decide whether a usage context applies is usually outside the
       resource, determined by context, and this might present challenges for validation
       tooling."/> 
      <comment value="This specification does not define exactly how the context is determined for the

       usage; typically, this will be described in implementation guides."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="UsageContext"/>       </type>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.binding.additional.any">      <path value="ElementDefinition.binding.additional.any"/>       <short value="Whether binding can applies to all repeats, or just one"/>       <definition value="Whether the binding applies to all repeats, or just to any one of them. This is

       only relevant for elements that can repeat."/> 
      <comment value="A common pattern is to make a conformance binding to all repeats, and then make

       a binding that one of the repeats must conform to."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="boolean"/>       </type>       <isSummary value="true"/>     </element>     <element id="ElementDefinition.mapping">      <path value="ElementDefinition.mapping"/>       <short value="Map element to another set of definitions"/>       <definition value="Identifies a concept from an external specification that roughly corresponds to

       this element."/> 
      <comment value="Mappings are not necessarily specific enough for safe translation.  Note that ElementDefiniti

      on.code can provide a mapping to terminologies or other simple data element collections."/> 
      <requirements value="Provides guidance to implementers familiar with or converting content from other

       specifications."/> 
      <min value="0"/>       <max value="*"/>       <type>         <code value="Element"/>       </type>       <condition value="eld-27"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="dex"/>         <map value="mappingSpecification"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="Registered_item).document_reference[document_type=mapping]  Also, .meaning linkage

         to Data_Element_Concept is done as a mapping to a reference model.  (Data_Element_Concepts
         are all defined in some sort of reference model, be that Object_Class and Property
         or some other mechanism)"/> 
      </mapping>     </element>     <element id="ElementDefinition.mapping.identity">      <path value="ElementDefinition.mapping.identity"/>       <short value="Reference to mapping declaration"/>       <definition value="An internal reference to the definition of a mapping."/>       <min value="1"/>       <max value="1"/>       <type>         <code value="id"/>       </type>       <condition value="eld-27"/>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.mapping.language">      <path value="ElementDefinition.mapping.language"/>       <short value="Computable language of mapping"/>       <definition value="Identifies the computable language in which mapping.map is expressed."/>       <comment value="If omitted, then there can be no expectation of computational interpretation of

       the mapping."/> 
      <min value="0"/>       <max value="1"/>       <type>         <code value="code"/>       </type>       <isSummary value="true"/>       <binding>         <extension url="http://hl7.org/fhir/tools/StructureDefinition/binding-definition">          <valueMarkdown value="The mime type of an attachment. Any valid mime type is allowed."/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName">          <valueString value="MimeType"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding">          <valueBoolean value="true"/>         </extension>         <strength value="required"/>         <description value="BCP 13 (RFCs 2045, 2046, 2047, 4288, 4289 and 2049)"/>         <valueSet value="http://hl7.org/fhir/ValueSet/mimetypes|6.0.0-ballot3"/>       </binding>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>     <element id="ElementDefinition.mapping.map">      <path value="ElementDefinition.mapping.map"/>       <short value="Details of the mapping"/>       <definition value="Expresses what part of the target specification corresponds to this element."/>       <comment value="For most mappings, the syntax is undefined.  Syntax will be provided for mappings

       to the RIM.  Multiple mappings may be possible and may include constraints on other
       resource elements that identify when a particular mapping applies."/> 
      <min value="1"/>       <max value="1"/>       <type>         <code value="string"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>       <mapping>         <identity value="iso11179"/>         <map value="ObjectClass, Property (this is one possible data model that can be mapped to -

         the uri would identify the data model  mappingSpecification.mappingScript"/> 
      </mapping>     </element>     <element id="ElementDefinition.mapping.comment">      <path value="ElementDefinition.mapping.comment"/>       <short value="Comments about the mapping or its use"/>       <definition value="Comments that provide information about the mapping or its use."/>       <min value="0"/>       <max value="1"/>       <type>         <code value="markdown"/>       </type>       <isSummary value="true"/>       <mapping>         <identity value="rim"/>         <map value="N/A (MIF territory)"/>       </mapping>     </element>   </differential> 


</

StructureDefinition

>



Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.