{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "chromosome 18.",
  "system" : "http://terminology.hl7.org/CodeSystem/chromosome-human",
  "property" : [ ],
  "codesystem" : "5cf3f1f1-e051-5f81-96dd-3ede2687dafd",
  "concept_id" : "490a2781-bcfc-5c6a-9770-166de84d487f",
  "ancestors" : {
    "18" : 0
  },
  "id" : "b56e9bb7-2610-400f-98ae-a280a562b9a4",
  "code" : "18",
  "display" : "chromosome 18",
  "version" : "1.0.0"
}