Extension-valueset-unclosed.xml

The expansion is incomplete unclosed

  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
    
      
      
      
      Some value sets are open by their definition - e.g. SCT value sets that allow post-coordination.
       In these cases a server may be able to expand a list but it won't be comprehensive.
      
      
      
        
        
        
      
      
        
      
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
      
        
        
      
    
    
      
      
      
      
      
      
      
        
        
        
      
      
        
      
    
    
      
      
      
      
      The definition may point directly to a computable or human-readable definition of the

<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="valueset-unclosed"/> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="vocab"/> 
  </extension> 
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="1"/> 
  </extension> 
  <url value="http://hl7.org/fhir/StructureDefinition/valueset-unclosed"/> 
  <name value="unclosed"/> 
  <status value="draft"/> 
  <date value="2019-10-24T11:53:00+11:00"/> 
  <publisher value="HL7"/> 
  <description value="Marks that the expansion is  incomplete, and values other than those listed may be valid.
   This may be used because post-coordinated codes are allowed, and no practical expansion
   can be produced."/> 
  <fhirVersion value="3.0.2"/> 
  <mapping> 
    <identity value="rim"/> 
    <uri value="http://hl7.org/v3"/> 
    <name value="RIM Mapping"/> 
  </mapping> 
  <kind value="complex-type"/> 
  <abstract value="false"/> 
  <contextType value="resource"/> 
  <context value="ValueSet.expansion"/> 
  <type value="Extension"/> 
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension"/> 
  <derivation value="constraint"/> 
  <snapshot> 
    <element id="Extension">
      <path value="Extension"/> 
      <short value="The expansion is incomplete (perhaps because of post-coordination)"/> 
      <definition value="Marks that the expansion is  incomplete, and values other than those listed may be valid.

       This may be used because post-coordinated codes are allowed, and no practical expansion
       can be produced."/> 
      <comment value="This extension exists to allow for definition and use of value sets that are currently

       unbounded, including those for which it may always be impractical to set bounds. This
       can be done to allow additional learning in this space, such as exploring poorly understsood
       consequences of alternatives."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Extension"/> 
        <min value="0"/> 
        <max value="*"/> 
      </base> 
      <condition value="ele-1"/> 
      <constraint> 
        <key value="ele-1"/> 
        <severity value="error"/> 
        <human value="All FHIR elements must have a @value or children"/> 
        <expression value="hasValue() | (children().count() &gt; id.count())"/> 
        <xpath value="@value|f:*|h:div"/> 
        <source value="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()"/> 
        <xpath value="exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"/> 
        <source value="Extension"/> 
      </constraint> 
      <isModifier value="false"/> 
    </element> 
    <element id="Extension.id">
      <path value="Extension.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). 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> 
      <type> 
        <code value="string"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Extension.extension">
      <path value="Extension.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. 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."/> 
      <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> 
      <mapping> 
        <identity value="rim"/> 
        <map value="n/a"/> 
      </mapping> 
    </element> 
    <element id="Extension.url">
      <path value="Extension.url"/> 
      <representation value="xmlAttr"/> 
      <short value="identifies the meaning of the extension"/> 
      <definition value="Source of the definition for the extension code - a logical name or a URL."/> 
      <comment value="The definition may point directly to a computable or human-readable definition of the
       extensibility codes, or it may be a logical URI as declared in some other specification.
       The definition should be version specific.  This will ideally be the URI for the Resource
       Profile defining the extension, with the code for the extension after a #.
      
      
      
        
        
        
      
      
        
      
      
      
        
        
      
    
    
      
      
      Value of extension - may be a resource or one of a constrained set of the data types (see
       Extensibility in the spec for list).
      
      
      
        
        
        
      
      
        
      
      
        
        
      
    
  
  
    
      
      
      
      Some value sets are open by their definition - e.g. SCT value sets that allow post-coordination.
       In these cases a server may be able to expand a list but it won't be comprehensive.
      
      
      
        
      
      
    
    
      
      
      
    
    
      
      
        
      
      
    
    
      
      
      
        
      
    
  

       The definition SHALL be a URI for the Structure Definition defining the extension."/> 
      <min value="1"/> 
      <max value="1"/> 
      <base> 
        <path value="Extension.url"/> 
        <min value="1"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="uri"/> 
      </type> 
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/valueset-unclosed"/> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
    <element id="Extension.valueBoolean">
      <path value="Extension.valueBoolean"/> 
      <short value="Value of extension"/> 
      <definition value="Value of extension - may be a resource or one of a constrained set of the data types (see

       Extensibility in the spec for list)."/> 
      <min value="0"/> 
      <max value="1"/> 
      <base> 
        <path value="Extension.value[x]"/> 
        <min value="0"/> 
        <max value="1"/> 
      </base> 
      <type> 
        <code value="boolean"/> 
      </type> 
      <mapping> 
        <identity value="rim"/> 
        <map value="N/A"/> 
      </mapping> 
    </element> 
  </snapshot> 
  <differential> 
    <element id="Extension">
      <path value="Extension"/> 
      <short value="The expansion is incomplete (perhaps because of post-coordination)"/> 
      <definition value="Marks that the expansion is  incomplete, and values other than those listed may be valid.

       This may be used because post-coordinated codes are allowed, and no practical expansion
       can be produced."/> 
      <comment value="This extension exists to allow for definition and use of value sets that are currently

       unbounded, including those for which it may always be impractical to set bounds. This
       can be done to allow additional learning in this space, such as exploring poorly understsood
       consequences of alternatives."/> 
      <min value="0"/> 
      <max value="1"/> 
      <isModifier value="false"/> 
    </element> 
    <element id="Extension.extension">
      <path value="Extension.extension"/> 
      <max value="0"/> 
    </element> 
    <element id="Extension.url">
      <path value="Extension.url"/> 
      <type> 
        <code value="uri"/> 
      </type> 
      <fixedUri value="http://hl7.org/fhir/StructureDefinition/valueset-unclosed"/> 
    </element> 
    <element id="Extension.valueBoolean">
      <path value="Extension.valueBoolean"/> 
      <type> 
        <code value="boolean"/> 
      </type> 
    </element> 
  </differential> 


</

StructureDefinition

>