{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Definition:Age at onset of associated adverse event; no implied method of determination.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_LOINCObservationActContextAgeType"
  } ],
  "codesystem" : "6064fe67-dfa9-5c7f-9737-99a0909e44de",
  "concept_id" : "eff4488c-b0ce-5cdd-8a01-269d0ef61e74",
  "ancestors" : {
    "30972-4" : 0,
    "_ObservationType" : 2,
    "_LOINCObservationActContextAgeType" : 1
  },
  "id" : "84325925-e65c-4158-bfb0-5e1a99ac3ff1",
  "code" : "30972-4",
  "display" : "age at onset of adverse event",
  "version" : "2018-08-12"
}