{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0566",
  "property" : [ ],
  "codesystem" : "d1b78443-68aa-57ac-98ea-93ead91c08cb",
  "concept_id" : "bf99fe69-8699-5dec-9b72-580f823f2695",
  "ancestors" : {
    "RBC" : 0
  },
  "id" : "23a385e6-f075-4256-97b9-6d4673c7b4a2",
  "code" : "RBC",
  "display" : "Red Blood Cells",
  "version" : "2.9"
}