Release 4B

Extension: expand-group

Vocabulary Work Group Maturity Level: 1InformativeUse Context: Any

URL for this extension:

http://hl7.org/fhir/StructureDefinition/valueset-expand-group

Status: draft. Extension maintained by: HL7

This extension declares a group of concepts that is generated into the ValueSet.expansion.contains hierarchy when the expansion is generated for a UI. THere is no inherent assigned meaning to the hierarchy; it is used to help the user navigate the concepts. Each group has a display and/or a code, and a list of members, which are either concepts in the value set, or other groups (by code).

Comment:

Note that there are inter-relationships between concept status/properties and the way the groups are built; these are described and documented in the (value set hierarchical example)[d.html]. Note that this extension should be ignored when the expansion is not generated for UI.

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

Extension Content

Summary

NameFlagsCard.TypeDescription & Constraintsdoco
.. expand-group0..*ExtensionURL = http://hl7.org/fhir/StructureDefinition/valueset-expand-group
expand-group: This extension declares a group of concepts that is generated into the ValueSet.expansion.contains hierarchy when the expansion is generated for a UI. THere is no inherent assigned meaning to the hierarchy; it is used to help the user navigate the concepts. Each group has a display and/or a code, and a list of members, which are either concepts in the value set, or other groups (by code).


Use on Element ID ValueSet.compose.include
... code0..1codeA reference to a code from the include.system that defines the meaning associated with the group. Note that including the code in this extension does not include the code in the value set; if the code is intended to be in the value set, it must be listed directly as well.

... display0..1stringThe description for the group (goes in ValueSet.expansion.contains.dispaly). All groups need a display; this can only be omitted if there is a code that can be used to determine the display.

... member1..*codeOne of more codes that identify codes in the expansion or other groups.


doco Documentation for this format

 

Constraints

  • ele-1: All FHIR elements must have a @value or children unless an empty Parameters resource (xpath: @value|f:*|h:div|self::f:Parameters)
  • 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.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.extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension.extension: @value|f:*|h:div)
  • ext-1: On Extension.extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
  • ele-1: On Extension.extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.extension.value[x]: @value|f:*|h:div)
  • 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.extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension.extension: @value|f:*|h:div)
  • ext-1: On Extension.extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
  • ele-1: On Extension.extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.extension.value[x]: @value|f:*|h:div)
  • 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.extension.extension: All FHIR elements must have a @value or children (xpath on Extension.extension.extension: @value|f:*|h:div)
  • ext-1: On Extension.extension.extension: Must have either extensions or value[x], not both (xpath on Extension.extension.extension: exists(f:extension)!=exists(f:*[starts-with(local-name(.), "value")]))
  • ele-1: On Extension.extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.extension.value[x]: @value|f:*|h:div)
  • ele-1: On Extension.value[x]: All FHIR elements must have a @value or children (xpath on Extension.value[x]: @value|f:*|h:div)