{
  "package" : "hl7.terminology.r5@6.3.0",
  "definition" : "Indication or reason why a valid value is not present.",
  "system" : "http://terminology.hl7.org/CodeSystem/conceptdomains",
  "property" : [ {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#source",
    "code" : "source",
    "valueCode" : "v3"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#contextBindingUV-valueSet",
    "code" : "contextBindingUV-valueSet",
    "valueString" : "2.16.840.1.113883.1.11.10609"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#contextBindingUV-strength",
    "code" : "contextBindingUV-strength",
    "valueCode" : "CNE"
  }, {
    "_uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#contextBindingUV-effectiveDate",
    "code" : "contextBindingUV-effectiveDate",
    "valueDateTime" : "2020-01-01"
  } ],
  "codesystem" : "a4b9689b-4fea-537a-ab56-085748a134dc",
  "concept_id" : "32ef92e9-f8bc-5abf-823c-b010781eb1fc",
  "ancestors" : {
    "NullFlavor" : 0
  },
  "id" : "8877ba9b-6dfe-4a89-9c36-dd5b624accf9",
  "code" : "NullFlavor",
  "display" : "NullFlavor",
  "version" : "3.0.0"
}