{
  "package" : "us.nlm.vsac@0.21.0",
  "definition" : null,
  "system" : "https://www.cdc.gov/nhsn/cdaportal/terminology/codesystem/cdcnhsn.html",
  "property" : [ ],
  "codesystem" : "078444ba-7844-5424-a8ae-aaa5dd3908d0",
  "concept_id" : "19d51740-bf99-5550-a7af-d176b5541f13",
  "ancestors" : {
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  },
  "id" : "ab83de0e-5df3-486a-8b3d-2da78a404248",
  "code" : "2349-9",
  "display" : "White blood cell count >=12,000 or <=4,000 cells/mm3",
  "version" : "2023-04"
}