{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "Information is not available at this time (with no expectation regarding whether it will or will not be available in the future).",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-NullFlavor",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#status",
    "code" : "status",
    "valueCode" : "active"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id",
    "code" : "internalId",
    "valueCode" : "23731"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "subsumedBy",
    "valueCode" : "UNK"
  } ],
  "codesystem" : "1567b235-54c7-5bac-b989-a54941e5aaa2",
  "concept_id" : "2c55b285-1c50-57b5-af01-4de2a4ad6b4a",
  "ancestors" : {
    "NI" : 2,
    "UNK" : 1,
    "NAVU" : 0
  },
  "id" : "0955a834-a87d-409c-bccb-8a39d5066129",
  "code" : "NAVU",
  "display" : "Not available",
  "version" : "3.0.0"
}