{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0544",
  "property" : [ ],
  "codesystem" : "0dfa3507-5842-559f-a837-8ef7668b075e",
  "concept_id" : "4181147a-e405-502b-82aa-acbe453d1cb0",
  "ancestors" : {
    "XCFRZ" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Failed to keep critical frozen"
  } ],
  "id" : "b18dd208-addc-4a26-81e2-0e78d2e4b709",
  "code" : "XCFRZ",
  "display" : "Not Critical frozen temperature",
  "version" : "2.9"
}