{
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  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0376",
  "property" : [ ],
  "codesystem" : "9a4bc233-0dfa-5d5b-8e6e-db413dc9b25a",
  "concept_id" : "835383a5-047c-552f-a103-32e6dabf8636",
  "ancestors" : {
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  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Deep frozen: -16 to -20( C."
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  "id" : "fed20e15-a13c-4ae6-9711-d1cecac81266",
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}