R4 Draft for Comment

This page is part of the FHIR Specification (v3.2.0: R4 Ballot 1). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions

Extension: subsumes

Vocabulary Work Group

Maturity Level: 1

Informative

Use Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/codesystem-subsumes

Status: draft. Extension maintained by: HL7

Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept. Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept.

Context of Use: Use on element: CodeSystem.concept

usage info: insert a list of places where this extension is used

Summary

Name	Flags	Card.	Type	Description & Constraints
modifierExtension		0..*	code	URL = http://hl7.org/fhir/StructureDefinition/codesystem-subsumes subsumes: Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept. Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept. Use on element: CodeSystem.concept
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
modifierExtension	0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/codesystem-subsumes subsumes: Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept. Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept. Use on element: CodeSystem.concept
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/codesystem-subsumes"
valueCode	0..1	code	Value of extension
Documentation for this format

XML Template

<!-- subsumes -->

<modifierExtension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/codesystem-subsumes" >
  <!-- from Element: extension -->
 <valueCode value="[code]"/><!-- 0..1 Value of extension -->
</modifierExtension>

JSON Template

{ // subsumes
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-subsumes", // R! 
    "valueCode" : "<code>" //Value of extension
  }

Summary

Name	Flags	Card.	Type	Description & Constraints
modifierExtension		0..*	code	URL = http://hl7.org/fhir/StructureDefinition/codesystem-subsumes subsumes: Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept. Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept. Use on element: CodeSystem.concept
Documentation for this format

Full Structure

Name	Card.	Type	Description & Constraints
modifierExtension	0..*	Extension	URL = http://hl7.org/fhir/StructureDefinition/codesystem-subsumes subsumes: Refers to another code defined within the code system that is also subsumed by this code. I.e. This concept subsumes the referenced concept. Because meaning is inferred from hierarchy as well as definition, the presence of this extension modifies the meaning of the extended concept. Use on element: CodeSystem.concept
url	1..1	uri	"http://hl7.org/fhir/StructureDefinition/codesystem-subsumes"
valueCode	0..1	code	Value of extension
Documentation for this format

XML Template

<!-- subsumes -->

<modifierExtension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/codesystem-subsumes" >
  <!-- from Element: extension -->
 <valueCode value="[code]"/><!-- 0..1 Value of extension -->
</modifierExtension>

JSON Template

{ // subsumes
  // from Element: extension
    "extension" : [ //  sliced by value:url  in the specified order, Open ]
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-subsumes", // R! 
    "valueCode" : "<code>" //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')]))