{
  "package" : "us.nlm.vsac@0.21.0",
  "definition" : null,
  "system" : "https://www.cdc.gov/nhsn/cdaportal/terminology/codesystem/cdcnhsn.html",
  "property" : [ ],
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  "concept_id" : "a2a33e51-a0e3-52f9-a3d9-e66a30985fe4",
  "ancestors" : {
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  "id" : "cc52ef51-f4f0-43dd-bfad-183d5afe057e",
  "code" : "1834-1",
  "display" : "Number of airway pressure release ventilation (APRV) days",
  "version" : "2023-04"
}