{
  "package" : "hl7.terminology.r4@6.3.0",
  "definition" : "Information was sought but not found (e.g., patient was asked but didn't know)",
  "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" : "10614"
  }, {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "subsumedBy",
    "valueCode" : "UNK"
  } ],
  "codesystem" : "5eb3a5ce-3bbe-502a-9a92-df1e7f903515",
  "concept_id" : "da86739d-6a37-55ac-86cf-2eb9efa5ac21",
  "ancestors" : {
    "NI" : 2,
    "UNK" : 1,
    "ASKU" : 0
  },
  "id" : "d997be9a-6f0b-4b52-9894-451820b527a4",
  "code" : "ASKU",
  "display" : "asked but unknown",
  "version" : "3.0.0"
}