{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Definition:The set of LOINC codes for the act of determining the period of time that has elapsed since an entity was born or created.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-ActCode",
  "property" : [ {
    "code" : "notSelectable",
    "valueBoolean" : true
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "_ObservationType"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "21611-9"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "21612-7"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "29553-5"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "30525-0"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#child",
    "code" : "child",
    "_implicit" : true,
    "valueCode" : "30972-4"
  } ],
  "codesystem" : "6064fe67-dfa9-5c7f-9737-99a0909e44de",
  "concept_id" : "159427c7-3dd9-5fbe-8158-08e7dd1a5b44",
  "ancestors" : {
    "_ObservationType" : 1,
    "_LOINCObservationActContextAgeType" : 0
  },
  "id" : "34b8c7a2-5c1b-45d8-94d0-e5292582d9b7",
  "code" : "_LOINCObservationActContextAgeType",
  "display" : "LOINCObservationActContextAgeType",
  "version" : "2018-08-12"
}