{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0376",
  "property" : [ ],
  "codesystem" : "9a4bc233-0dfa-5d5b-8e6e-db413dc9b25a",
  "concept_id" : "513b7b52-eb98-5b8f-950a-2eba5caba4a3",
  "ancestors" : {
    "FRZ" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Keep at frozen temperature: -4( C. Accidental thawing is of little consequence"
  } ],
  "id" : "c4121554-4890-4355-98b5-f6e2e8d49389",
  "code" : "FRZ",
  "display" : "Frozen temperature",
  "version" : "2.9"
}