{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "WHO's ATC codes provide a hierarchical classification of drugs by therapeutic class. They are linked to the record number codes listed above.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-CodeSystem",
  "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" : "11121"
  } ],
  "codesystem" : "6d234e1e-b4a8-5559-96c5-0555b0a2dc51",
  "concept_id" : "263b75e5-ca1d-57b8-bc83-33d815e0a1b4",
  "ancestors" : {
    "WC" : 0
  },
  "id" : "4fd58ba9-3e60-4bed-948f-b0771cd96913",
  "code" : "WC",
  "display" : "WHO ATC",
  "version" : "2.2.1"
}