{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "**Description:**This observation represents an 'average' or 'expected' half-life typical of the product.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "active"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
    "code" : "internalId",
    "valueCode" : "21678"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "subsumedBy",
    "valueCode" : "_MedicationObservationType"
  } ],
  "codesystem" : "cbab4a87-49ca-5502-88d6-f33b5f07237f",
  "concept_id" : "88b7b05b-b420-5c8e-8db3-111e7cb99fac",
  "ancestors" : {
    "REP_HALF_LIFE" : 0,
    "_ObservationType" : 2,
    "_MedicationObservationType" : 1
  },
  "id" : "175cff1e-afdc-4c42-a68f-f8e32ab4c6d8",
  "code" : "REP_HALF_LIFE",
  "display" : "representative half-life",
  "version" : "9.0.0"
}