{
  "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" : "37e64ce9-561b-5495-8943-bc6deb6f218d",
  "ancestors" : {
    "3306-8" : 0
  },
  "id" : "ffbd876c-4b67-4195-9790-7c400c6058c0",
  "code" : "3306-8",
  "display" : "Number of permanent central line days",
  "version" : "2023-04"
}