FHIR Release 3 (STU) Current Build
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Extension: usage

Vocabulary Work Group   Maturity Level : 1 Informative Use Context : Any

URL for this extension:


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

Status: draft. Extension maintained by: HL7

Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.

Comment :

This is likely to be a ???point in time??? view and should not be considered an authoritative listing of all uses of the value set.

Context of Use: Use on element: Element ID CodeSystem

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

Extension Content

Summary

Name Flags Card. Type Description & Constraints doco
. . extension usage 0..* Extension URL = http://hl7.org/fhir/StructureDefinition/codesystem-usage
usage: Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.


Use on element: Element ID CodeSystem
. . . user 1..1 string This is most likely to be an organization but can be an individual. It would not be a program, that information should be recorded in the usage.use.

. . . use 1..1 string A descriptive name of the project or standard in which the value set is used.


doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..* Extension URL = http://hl7.org/fhir/StructureDefinition/codesystem-usage
usage: Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.


Use on element: Element ID CodeSystem
. . . extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
. . . extension 1..1 Extension A consumer of or client for the value set
. . . . extension 0..0
... . url 1..1 uri "user"
. . . . valueString 0..1 string Value of extension
. . . extension 1..1 Extension Implementation/project/standard that uses value set
. . . . extension 0..0
... . url 1..1 uri "use"
. . . . valueString 0..1 string Value of extension
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/codesystem-usage"
. . . value[x] 0 .. 0

doco Documentation for this format

XML Template

<!-- usage -->doco
<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/codesystem-usage" >
 <-- extension sliced by value:url  in the specified orderOpen-->
 <extension url="user"> 1..1 Extension  <!-- 1..1 A consumer of or client for the value set -->
  <

  <valueString value="[string]"/><!-- 0..1 Value of extension -->

 </extension>
 <extension url="use"> 1..1 Extension  <!-- 1..1 Implementation/project/standard that uses value set -->
  <

  <valueString value="[string]"/><!-- 0..1 Value of extension -->

 </extension>
</extension>

JSON Template

{ // usage
    "

    "extension" : [ //  sliced by value:url  in the specified order, Open 

      { // A consumer of or client for the value set // R! 
        // from Element: extension
        "
        ],

        "extension" : [ //  sliced by value:url  in the specified order, Open ]

        "url" : "user", // R! 
        "

        "valueString" : "<string>" //Value of extension

      },
      { // Implementation/project/standard that uses value set // R! 
        // from Element: extension
        "
        ],

        "extension" : [ //  sliced by value:url  in the specified order, Open ]

        "url" : "use", // R! 
        "

        "valueString" : "<string>" //Value of extension

      }
    ],
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-usage", // R! 
// value[x]: Value of extension. One of these 49:
  }

Summary

Name Flags Card. Type Description & Constraints doco
. . extension usage 0..* Extension URL = http://hl7.org/fhir/StructureDefinition/codesystem-usage
usage: Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.


Use on element: Element ID CodeSystem
. . . user 1..1 string This is most likely to be an organization but can be an individual. It would not be a program, that information should be recorded in the usage.use.

. . . use 1..1 string A descriptive name of the project or standard in which the value set is used.


doco Documentation for this format

Full Structure

Name Flags Card. Type Description & Constraints doco
. . extension 0..* Extension URL = http://hl7.org/fhir/StructureDefinition/codesystem-usage
usage: Consumers of the value set and the implementations, projects or standards that the author has utilized the value set in.


Use on element: Element ID CodeSystem
. . . extension 0..* Extension Additional content defined by implementations
Slice: Unordered, Open by value:url
. . . extension 1..1 Extension A consumer of or client for the value set
. . . . extension 0..0
... . url 1..1 uri "user"
. . . . valueString 0..1 string Value of extension
. . . extension 1..1 Extension Implementation/project/standard that uses value set
. . . . extension 0..0
... . url 1..1 uri "use"
. . . . valueString 0..1 string Value of extension
. . . url 1..1 uri "http://hl7.org/fhir/StructureDefinition/codesystem-usage"
. . . value[x] 0 .. 0

doco Documentation for this format

XML Template

<!-- usage -->doco
<extension xmlns="http://hl7.org/fhir"
     url="http://hl7.org/fhir/StructureDefinition/codesystem-usage" >
 <-- extension sliced by value:url  in the specified orderOpen-->
 <extension url="user"> 1..1 Extension  <!-- 1..1 A consumer of or client for the value set -->
  <

  <valueString value="[string]"/><!-- 0..1 Value of extension -->

 </extension>
 <extension url="use"> 1..1 Extension  <!-- 1..1 Implementation/project/standard that uses value set -->
  <

  <valueString value="[string]"/><!-- 0..1 Value of extension -->

 </extension>
</extension>

JSON Template

{ // usage
    "

    "extension" : [ //  sliced by value:url  in the specified order, Open 

      { // A consumer of or client for the value set // R! 
        // from Element: extension
        "
        ],

        "extension" : [ //  sliced by value:url  in the specified order, Open ]

        "url" : "user", // R! 
        "

        "valueString" : "<string>" //Value of extension

      },
      { // Implementation/project/standard that uses value set // R! 
        // from Element: extension
        "
        ],

        "extension" : [ //  sliced by value:url  in the specified order, Open ]

        "url" : "use", // R! 
        "

        "valueString" : "<string>" //Value of extension

      }
    ],
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-usage", // R! 
// value[x]: Value of extension. One of these 49:
  }

 

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')]) )