{
  "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" : "e42cad1a-c53c-5040-80e1-64a50784c58c",
  "ancestors" : {
    "XNTR" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Failed to keep in liquid nitrogen."
  } ],
  "id" : "e543eaed-a7f5-4aba-bf2f-d48b01d38622",
  "code" : "XNTR",
  "display" : "Not Liquid nitrogen",
  "version" : "2.9"
}