{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "The expected normal value for the observation is absent.",
  "system" : "http://hl7.org/fhir/observation-referencerange-normalvalue",
  "property" : [ ],
  "codesystem" : "a38df524-c030-52b2-84b8-25d9e92d75e4",
  "concept_id" : "4c8eb943-bc6c-57ba-aef3-71790b07c542",
  "ancestors" : {
    "absent" : 0
  },
  "id" : "bc0ae11d-9a23-4a17-ba64-7921d7c07de9",
  "code" : "absent",
  "display" : "Absent",
  "version" : "5.0.0"
}