{
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  "definition" : null,
  "system" : "http://terminology.hl7.org/CodeSystem/v2-0487",
  "property" : [ ],
  "codesystem" : "7b09ba97-1e18-54d3-aa29-3f690b8b51ab",
  "concept_id" : "e36beeb6-d34b-58c8-927a-eac0afd243e0",
  "ancestors" : {
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  },
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/codesystem-concept-comments",
    "valueString" : "Tissue"
  } ],
  "id" : "3ee82f13-f777-482d-9be8-aa5cc9f0f1be",
  "code" : "WEN",
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}