{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0376",
  "property" : [ ],
  "codesystem" : "b6f47bfe-4d5d-53c9-a067-3f4a193a629e",
  "concept_id" : "12cbb015-ea95-5f5a-8f04-f69a179bb839",
  "ancestors" : {
    "NTR" : 0
  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Keep in liquid nitrogen."
  } ],
  "id" : "fa67131e-3486-46a6-b35f-70e241423fba",
  "code" : "NTR",
  "display" : "Liquid nitrogen",
  "version" : "2.9"
}