{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Definition:A list of medications which the patient will consume intermittently based on the behavior of the condition for which the medication is indicated.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_ActMedicationTherapyDurationWorkingListCode"
  } ],
  "codesystem" : "6064fe67-dfa9-5c7f-9737-99a0909e44de",
  "concept_id" : "171f39d0-1350-54a8-9ccb-8597ad020b1e",
  "ancestors" : {
    "PRN" : 0,
    "_ActListCode" : 3,
    "_ActTherapyDurationWorkingListCode" : 2,
    "_ActMedicationTherapyDurationWorkingListCode" : 1
  },
  "id" : "28a15f15-ed32-450b-8fde-cd481ee0a318",
  "code" : "PRN",
  "display" : "as needed",
  "version" : "2018-08-12"
}