description: This cross-version extension represents MedicationStatement.reasonForUse[x] from http://hl7.org/fhir/StructureDefinition/MedicationStatement|1.0.2 for use in FHIR R4.
package_name: hl7.fhir.uv.xver-r2.r4
derivation: constraint
name: ext_R2_MedicationStatement_reasonForUse
type: Extension
elements:
  value:
    base: {path: 'Extension.value[x]'}
    short: A reason for why the medication is being/was taken.
    choices: [valueCodeableConcept, valueReference]
    index: 1
  valueCodeableConcept:
    base: {path: 'Extension.value[x]'}
    type: CodeableConcept
    short: A reason for why the medication is being/was taken.
    choiceOf: value
    index: 2
  valueReference:
    base: {path: 'Extension.value[x]'}
    type: Reference
    short: A reason for why the medication is being/was taken.
    choiceOf: value
    refers: ['http://hl7.org/fhir/StructureDefinition/Condition']
    index: 3
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationStatement.reasonForUse'}
    type: uri
    index: 4
package_version: 0.0.1-snapshot-1
class: extension
kind: complex-type
url: http://hl7.org/fhir/1.0/StructureDefinition/extension-MedicationStatement.reasonForUse
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]