{
  "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" : "a9ae4e54-c0e9-5772-9dd2-110c52ab3cc1",
  "ancestors" : {
    "2137-8" : 0
  },
  "id" : "b56f9d17-2629-48ca-84de-a37c730ca311",
  "code" : "2137-8",
  "display" : "Spinal fusion",
  "version" : "2023-04"
}