Extension: ValueSet System Reference

Vocabulary Work Group

Maturity Level: 1

Trial Use

Use Context: Any

Official URL: `http://hl7.org/fhir/StructureDefinition/valueset-systemRef`				Version: 5.0.0-snapshot3
draft as of 2020-12-28				Computable Name: VSSystemReference
Flags: Non-Modifier				OID: 2.16.840.1.113883.4.642.5.1200

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

Definition

The formal URI for the code system. I.e. ValueSet.codeSystem.system (or its equivalent).

Summary

Name	Flags	Card.	Type	Description & Constraints
VSSystemReference		0..1	uri	URL = http://hl7.org/fhir/StructureDefinition/valueset-systemRef VSSystemReference: The formal URI for the code system. I.e. ValueSet.codeSystem.system (or its equivalent). Use on Element ID ValueSet.compose.include
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/valueset-systemRef VSSystemReference: The formal URI for the code system. I.e. ValueSet.codeSystem.system (or its equivalent). Use on Element ID ValueSet.compose.include
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/valueset-systemRef"
value[x]	1..1	uri	Value of extension
Documentation for this format

XML Template

<!-- VSSystemReference -->

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

JSON Template

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

Summary

Name	Flags	Card.	Type	Description & Constraints
VSSystemReference		0..1	uri	URL = http://hl7.org/fhir/StructureDefinition/valueset-systemRef VSSystemReference: The formal URI for the code system. I.e. ValueSet.codeSystem.system (or its equivalent). Use on Element ID ValueSet.compose.include
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
extension	0..1	Extension	URL = http://hl7.org/fhir/StructureDefinition/valueset-systemRef VSSystemReference: The formal URI for the code system. I.e. ValueSet.codeSystem.system (or its equivalent). Use on Element ID ValueSet.compose.include
extension	0..0
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/valueset-systemRef"
value[x]	1..1	uri	Value of extension
Documentation for this format

XML Template

<!-- VSSystemReference -->

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

JSON Template

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

Constraints

ele-1: All FHIR elements must have a @value or children (xpath: hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (xpath: extension.exists() != value.exists())
ele-1: On Extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension: hasValue() or (children().count() > id.count()))
ext-1: On Extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension: extension.exists() != value.exists())
ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: hasValue() or (children().count() > id.count()))

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Examples of this extension

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