{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "An electrical signal derived from two electrodes",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "62deed1f-1578-523d-b625-fccced4e915c",
  "ancestors" : {
    "109006" : 0
  },
  "id" : "188afd9f-6c22-490c-b784-7090371caf4b",
  "code" : "109006",
  "display" : "Differential signal",
  "version" : "01"
}