Release 5 Preview #2

Extension: reference

Vocabulary Work Group Maturity Level: 1InformativeUse Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/valueset-reference

Status: draft. Extension maintained by: HL7

A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.

Comment:

If this extension is used with an extensible binding, and the concept comes from outside the bound valueset, the value set SHALL be different from the bound valueset.

Context of Use: Use on Element ID Coding

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. reference0..1uriURL = http://hl7.org/fhir/StructureDefinition/valueset-reference
reference: A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.


Use on Element ID Coding

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/valueset-reference
reference: A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.


Use on Element ID Coding
... extension I0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/valueset-reference"
... value[x] I1..1uriValue of extension

doco Documentation for this format

XML Template

<!-- reference -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/valueset-reference" >
  <!-- from Element: extension -->
 <valueUri value="[uri]"/><!-- ?? 1..1 Value of extension -->
</extension>

JSON Template

{ // reference
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/valueset-reference", // R! 
    "valueUri" : "<uri>" // C? R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. reference0..1uriURL = http://hl7.org/fhir/StructureDefinition/valueset-reference
reference: A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.


Use on Element ID Coding

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/valueset-reference
reference: A logical reference (e.g. a reference to ValueSet.url) that identifies the value set/version that identifies the set of possible coded values this coding was chosen from or constrained by.


Use on Element ID Coding
... extension I0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/valueset-reference"
... value[x] I1..1uriValue of extension

doco Documentation for this format

XML Template

<!-- reference -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/valueset-reference" >
  <!-- from Element: extension -->
 <valueUri value="[uri]"/><!-- ?? 1..1 Value of extension -->
</extension>

JSON Template

{ // reference
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/valueset-reference", // R! 
    "valueUri" : "<uri>" // C? R! Value of extension
  }

 

Constraints

  • ele-1: All FHIR elements must have a @value or children (xpath: @value|f:*|h:div)
  • ext-1: Must have either extensions or value[x], not both (xpath: exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')]))
  • ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: @value|f:*|h:div)
  • ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
  • ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: @value|f:*|h:div)