{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0508",
  "property" : [ ],
  "codesystem" : "c2f8ab40-78a9-5303-8a3e-acc2d5d81b8a",
  "concept_id" : "58cc29e5-bdba-5b14-86ad-075ace9745b8",
  "ancestors" : {
    "HB" : 0
  },
  "id" : "6185429b-2f25-4286-8814-2b2b46c072a4",
  "code" : "HB",
  "display" : "Hemoglobin S Negative",
  "version" : "2.9"
}