{
  "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" : "efbbcac1-6803-5388-b37a-e07e893a01e9",
  "ancestors" : {
    "XUFRZ" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Failed to keep ultra cold frozen: ~ -75 to -85 degree C. (ultra cold freezer is typically at temperature of dry ice)."
  } ],
  "id" : "44889b17-f091-423b-a782-66d1bf492e1d",
  "code" : "XUFRZ",
  "display" : "Not Ultra frozen",
  "version" : "2.9"
}