description: This cross-version extension represents ResearchStudy.category from http://hl7.org/fhir/StructureDefinition/ResearchStudy|4.3.0 for use in FHIR R5.
package_name: hl7.fhir.uv.xver-r4b.r5
derivation: constraint
name: ext_R4B_ResearchStudy_category
type: Extension
elements:
  value:
    base: {path: 'Extension.value[x]'}
    short: Classifications for the study
    choices: [valueCodeableConcept]
    index: 1
  valueCodeableConcept:
    base: {path: 'Extension.value[x]'}
    type: CodeableConcept
    short: Classifications for the study
    choiceOf: value
    index: 2
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-ResearchStudy.category'}
    type: uri
    index: 3
package_version: 0.0.1-snapshot-1
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-ResearchStudy.category
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]