{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "The expected normal value for the observation is negative.",
  "system" : "http://hl7.org/fhir/observation-referencerange-normalvalue",
  "property" : [ ],
  "codesystem" : "a38df524-c030-52b2-84b8-25d9e92d75e4",
  "concept_id" : "5501e685-3417-52b2-87d7-b04bac620737",
  "ancestors" : {
    "negative" : 0
  },
  "id" : "599ccea4-4e6e-4b8e-94e1-06a1c4ec2f2b",
  "code" : "negative",
  "display" : "Negative",
  "version" : "5.0.0"
}