{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0514",
  "property" : [ ],
  "codesystem" : "a8e71009-0d5b-5f07-8750-18693cfb85e1",
  "concept_id" : "09adcc59-530c-51a7-a0b8-68fd7edf5d16",
  "ancestors" : {
    "GVHD" : 0
  },
  "id" : "c32076e1-bda9-4b76-8838-51059c544035",
  "code" : "GVHD",
  "display" : "Graft vs Host Disease - Transfusion - Associated",
  "version" : "2.9"
}