{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Description: It has been confirmed that the appropriate pre-requisite therapy has been tried.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "1"
  } ],
  "codesystem" : "d73ae040-3e88-581f-8c74-bc9b7419407a",
  "concept_id" : "9cee53fc-4616-5919-824c-e17f3a6b1127",
  "ancestors" : {
    "1" : 1,
    "23" : 0,
    "_ActDetectedIssueManagementCode" : 2
  },
  "id" : "38ef19c4-7b73-45cc-a141-f87a35fd2b11",
  "code" : "23",
  "display" : "prior therapy documented",
  "version" : "2018-08-12"
}