{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Visual Acuity device",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "30c8b0c3-df42-59fd-bf38-cbda98080557",
  "ancestors" : {
    "VA" : 0
  },
  "id" : "a1c65af6-6986-4140-a2b4-50f671588f75",
  "code" : "VA",
  "display" : "Visual Acuity",
  "version" : "01"
}