{
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  "definition" : null,
  "system" : "https://www.cdc.gov/nhsn/cdaportal/terminology/codesystem/cdcnhsn.html",
  "property" : [ ],
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  "concept_id" : "62b07f32-f481-50ea-8c2a-5519192ea46d",
  "ancestors" : {
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  "id" : "a6567578-74c7-480e-84b3-38353ed4b271",
  "code" : "2139-4",
  "display" : "Thoracic surgery",
  "version" : "2023-04"
}