StructureDefinition for date

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

<StructureDefinition xmlns="http://hl7.org/fhir">  <id value="date"/>   <text>     <status value="generated"/>     <div xmlns="http://www.w3.org/1999/xhtml">to do</div>   </text>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">    <valueCode value="normative"/>   </extension>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">    <valueCode value="4.0.0"/>   </extension>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics">    <valueCode value="has-range"/>   </extension>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics">    <valueCode value="has-length"/>   </extension>   <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">    <valueCode value="fhir"/>   </extension>   <url value="http://hl7.org/fhir/StructureDefinition/date"/>   <version value="6.0.0-ballot3"/>   <name value="date"/>   <status value="active"/>   <experimental value="false"/>   <date value="2025-12-17T09:50:17+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="date Type: 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."/> 
  <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"/>   <kind value="primitive-type"/>   <abstract value="false"/>   <type value="date"/>   <baseDefinition value="http://hl7.org/fhir/StructureDefinition/PrimitiveType"/>   <derivation value="specialization"/>   <snapshot>     <element id="date">      <path value="date"/>       <short value="Primitive Type date"/>       <definition value="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."/> 
      <min value="0"/>       <max value="*"/>       <base>         <path value="date"/>         <min value="0"/>         <max value="*"/>       </base>       <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="false"/>     </element>     <element id="date.id">      <path value="date.id"/>       <representation value="xmlAttr"/>       <short value="xml:id (or equivalent in JSON)"/>       <definition value="unique id for the element within a resource (for internal references)"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="Element.id"/>         <min value="0"/>         <max value="1"/>       </base>       <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="string"/>         </extension>         <code value="http://hl7.org/fhirpath/System.String"/>       </type>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="date.extension">      <path value="date.extension"/>       <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 resource. In order 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 is allowed to 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.
      
      
      
      
      
        
        
        
      
      
        
      
    
    
      
      
      
      
      
      
    <!--  Note: primitive values do not have an assigned type. e.g. this is compiler magic. XML,
       JSON and RDF types provided by extension  -->
      
        
          
        
        
          
            
          
          
            
          
          
            
          
        
      
    
  
  
    
      
      
      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.
      
      
    
    
      
      
      
      
      
      
    <!--  Note: primitive values do not have an assigned type. e.g. this is compiler magic. XML,
       JSON and RDF types provided by extension  -->
      
        
          
        
        
          
            
          
          
            
          
          
            
          
        
      
    
  

       of the resource. 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>       <constraint>         <key value="ext-1"/>         <severity value="error"/>         <human value="Must have either extensions or value[x], not both"/>         <expression value="extension.exists() != value.exists()"/>         <source value="http://hl7.org/fhir/StructureDefinition/Extension"/>       </constraint>       <isModifier value="false"/>       <isSummary value="false"/>     </element>     <element id="date.value">      <path value="date.value"/>       <representation value="xmlAttr"/>       <short value="Primitive value for date"/>       <definition value="The actual value"/>       <min value="0"/>       <max value="1"/>       <base>         <path value="date.value"/>         <min value="0"/>         <max value="1"/>       </base>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (c)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="date"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/regex">          <valueString value="([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1

          ]))?)?"/> 
        </extension>         <code value="http://hl7.org/fhirpath/System.Date"/>       </type>       <isModifier value="false"/>       <isSummary value="false"/>     </element>   </snapshot>   <differential>     <element id="date">      <path value="date"/>       <short value="Primitive Type date"/>       <definition value="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."/> 
      <min value="0"/>       <max value="*"/>     </element>     <element id="date.value">      <path value="date.value"/>       <representation value="xmlAttr"/>       <short value="Primitive value for date"/>       <definition value="Primitive value for date"/>       <min value="0"/>       <max value="1"/>       <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (a)  -->
      <!--  Note: special primitive values have a FHIRPath system type. e.g. this is compiler

       magic (b)  -->
      <type>         <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type">          <valueUrl value="date"/>         </extension>         <extension url="http://hl7.org/fhir/StructureDefinition/regex">          <valueString value="([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1

          ]))?)?"/> 
        </extension>         <code value="http://hl7.org/fhirpath/System.Date"/>       </type>     </element>   </differential> 


</

StructureDefinition

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