{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Communication of an agent from a living subject to the progeny of that living subject via agent migration across the maternal-fetal placental membranes while in utero.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_CaseTransmissionMode"
  } ],
  "codesystem" : "d73ae040-3e88-581f-8c74-bc9b7419407a",
  "concept_id" : "4107650b-d2c1-51b4-a071-1d096e0f27e0",
  "ancestors" : {
    "PLACTRNS" : 0,
    "_ObservationType" : 3,
    "_CaseTransmissionMode" : 1,
    "_ObservationIssueTriggerCodedObservationType" : 2
  },
  "id" : "9397bea6-b431-4e13-b9f3-92c44e4c37a7",
  "code" : "PLACTRNS",
  "display" : "transplacental transmission",
  "version" : "2018-08-12"
}