{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "chromosome 18.",
  "system" : "http://terminology.hl7.org/CodeSystem/chromosome-human",
  "property" : [ ],
  "codesystem" : "2773da01-c39f-553f-a0ab-da3045b7a171",
  "concept_id" : "490a2781-bcfc-5c6a-9770-166de84d487f",
  "ancestors" : {
    "18" : 0
  },
  "id" : "d6d4ef33-c65f-4b77-9814-7867760efec6",
  "code" : "18",
  "display" : "chromosome 18",
  "version" : "4.0.1"
}