description: 'R4B: `RequestGroup.groupIdentifier` additional types (Identifier) additional types from child elements (assigner, period, system, type, use, value)'
package_name: hl7.fhir.uv.xver-r4b.r3
derivation: constraint
name: ExtensionRequestGroup_GroupIdentifier
type: Extension
elements:
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-RequestGroup.groupIdentifier'}
    index: 0
  value:
    short: Composite request this is part of
    choices: [valueIdentifier]
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    index: 2
  valueIdentifier:
    short: Composite request this is part of
    type: Identifier
    base: {max: '1', min: 0, path: 'Extension.value[x]'}
    choiceOf: value
    index: 3
package_version: 0.1.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-RequestGroup.groupIdentifier
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.1.0
required: [url]