{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Negative infinity of numbers.",
  "system" : "http://terminology.hl7.org/CodeSystem/v3-NullFlavor",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "OTH"
  } ],
  "codesystem" : "6f819d30-3400-5f76-8b7a-ac265f94fe3b",
  "concept_id" : "04ada568-4240-533d-8664-09f496e68093",
  "ancestors" : {
    "NI" : 3,
    "INV" : 2,
    "OTH" : 1,
    "NINF" : 0
  },
  "id" : "57b05160-d06e-4d6a-bc0b-ef4dfed3afd5",
  "code" : "NINF",
  "display" : "negative infinity",
  "version" : "2018-08-12"
}