Current Build

Extension: concept-definition

Vocabulary Work Group Maturity Level: 1InformativeUse Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/valueset-concept-definition

Status: draft. Extension maintained by: HL7

A definition that describes the meaning of this code when used as part of this value set.

Comment:

This is provided for when the source code system doesn't actually provide a definition (there are many such). Providing an definition for a code SHOULD NOT be done where the underlying code system provides a definition.

Context of Use: Use on Element ID ValueSet.compose.include.concept or Element ID ValueSet.expansion.contains

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. concept-definition0..1stringURL = http://hl7.org/fhir/StructureDefinition/valueset-concept-definition
concept-definition: A definition that describes the meaning of this code when used as part of this value set.


Use on Element ID ValueSet.compose.include.concept or Element ID ValueSet.expansion.contains

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/valueset-concept-definition
concept-definition: A definition that describes the meaning of this code when used as part of this value set.


Use on Element ID ValueSet.compose.include.concept or Element ID ValueSet.expansion.contains
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/valueset-concept-definition"
... value[x] (Slice Definition)Value of extension
Slice: Unordered, Closed by type:$this
... valueString 0..1stringValue of extension

doco Documentation for this format

XML Template

<!-- concept-definition -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/valueset-concept-definition" >
  <!-- from Element: extension -->
 <-- valueString sliced by type:$this  in the specified orderClosed-->
 <valueString value="[string]"/><!-- 0..1 Value of extension -->
</extension>

JSON Template

{ // concept-definition
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/valueset-concept-definition", // R! 
    "valueString" : [ //  sliced by type:$this  in the specified order, Closed 
      { // Value of extension //
        // from Element: extension
      }
    ],
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. concept-definition0..1stringURL = http://hl7.org/fhir/StructureDefinition/valueset-concept-definition
concept-definition: A definition that describes the meaning of this code when used as part of this value set.


Use on Element ID ValueSet.compose.include.concept or Element ID ValueSet.expansion.contains

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/valueset-concept-definition
concept-definition: A definition that describes the meaning of this code when used as part of this value set.


Use on Element ID ValueSet.compose.include.concept or Element ID ValueSet.expansion.contains
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/valueset-concept-definition"
... value[x] (Slice Definition)Value of extension
Slice: Unordered, Closed by type:$this
... valueString 0..1stringValue of extension

doco Documentation for this format

XML Template

<!-- concept-definition -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/valueset-concept-definition" >
  <!-- from Element: extension -->
 <-- valueString sliced by type:$this  in the specified orderClosed-->
 <valueString value="[string]"/><!-- 0..1 Value of extension -->
</extension>

JSON Template

{ // concept-definition
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/valueset-concept-definition", // R! 
    "valueString" : [ //  sliced by type:$this  in the specified order, Closed 
      { // Value of extension //
        // from Element: 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')]))