{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "chromosome 21.",
  "system" : "http://terminology.hl7.org/CodeSystem/chromosome-human",
  "property" : [ ],
  "codesystem" : "5cf3f1f1-e051-5f81-96dd-3ede2687dafd",
  "concept_id" : "0392abb9-020a-58cb-90be-6ce78c105ab3",
  "ancestors" : {
    "21" : 0
  },
  "id" : "ede973ce-80a0-4ce7-a71b-7d59deb5e91e",
  "code" : "21",
  "display" : "chromosome 21",
  "version" : "1.0.0"
}