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Extension: system

Vocabulary Work Group Maturity Level: 1InformativeUse Context: Any

Summary

Defining URL:http://hl7.org/fhir/StructureDefinition/valueset-system
Version:5.0.0-cibuild
Name:system
Title:null
Modifier:This extension is not a modifier extension
Status:retired
Definition:Allows a direct reference to the code system for FHIR query.
Committee:Vocabulary Work Group

Status: retired. Extension maintained by: HL7

Allows a direct reference to the code system for FHIR query.

Context of Use: Use on Element ID ValueSet.compose.include.system

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. system0..1canonical(CodeSystem)URL = http://hl7.org/fhir/StructureDefinition/valueset-system
system: Allows a direct reference to the code system for FHIR query.


Use on Element ID ValueSet.compose.include.system

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/valueset-system
system: Allows a direct reference to the code system for FHIR query.


Use on Element ID ValueSet.compose.include.system
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/valueset-system"
... value[x] 1..1canonical(CodeSystem)Value of extension

doco Documentation for this format

XML Template

<!-- system -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/valueset-system" >
  <!-- from Element: extension -->
 <valueCanonical value="[canonical]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // system
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/valueset-system", // R! 
    "valueCanonical" : "<canonical>" // I R! Value of extension
  }

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. system0..1canonical(CodeSystem)URL = http://hl7.org/fhir/StructureDefinition/valueset-system
system: Allows a direct reference to the code system for FHIR query.


Use on Element ID ValueSet.compose.include.system

doco Documentation for this format

Full Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. extension0..1ExtensionURL = http://hl7.org/fhir/StructureDefinition/valueset-system
system: Allows a direct reference to the code system for FHIR query.


Use on Element ID ValueSet.compose.include.system
... extension 0..0
... url 1..1uri"http://hl7.org/fhir/StructureDefinition/valueset-system"
... value[x] 1..1canonical(CodeSystem)Value of extension

doco Documentation for this format

XML Template

<!-- system -->doco

<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/valueset-system" >
  <!-- from Element: extension -->
 <valueCanonical value="[canonical]"/><!-- I 1..1 Value of extension -->
</extension>

JSON Template

{ // system
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
  // extension: Extension: Prohibited
    "url" : "http://hl7.org/fhir/StructureDefinition/valueset-system", // R! 
    "valueCanonical" : "<canonical>" // I 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)

Search

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Examples of this extension

No examples found.