description: The approximate date, age, or flag indicating that the condition of the family member resolved. The abatement should only be specified if the condition is stated in the positive sense, i.e., the didNotHave flag is false.
package_name: hl7.fhir.core
derivation: constraint
name: abatement
type: Extension
elements:
  extension: {index: 0}
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/familymemberhistory-abatement'}
    index: 1
  value:
    choices: [valueDate, valueAge, valueBoolean]
    index: 3
  valueDate: {type: date, choiceOf: value, index: 4}
  valueAge: {type: Age, choiceOf: value, index: 5}
  valueBoolean: {type: boolean, choiceOf: value, index: 6}
package_version: 3.5.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/familymemberhistory-abatement
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null
required: [valueAge, value, valueBoolean, valueDate]