{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The content is greater than zero, but too small to be quantified.",
  "system" : "http://terminology.hl7.org/CodeSystem/special-values",
  "property" : [ ],
  "codesystem" : "e12173a6-0238-5e78-9905-e9e2bc36ec2e",
  "concept_id" : "5faa436c-40c6-5c84-8d5d-c7ceaef4e983",
  "ancestors" : {
    "trace" : 0
  },
  "id" : "f428be00-9a91-426f-989b-d48b286ea72a",
  "code" : "trace",
  "display" : "Trace Amount Detected",
  "version" : "4.0.1"
}