{
  "package" : "hl7.fhir.r4.examples@4.0.1",
  "definition" : "Measurements of the axial length of the eye, which are done by various devices",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "5f336dd4-db81-5653-939a-25648922f08e",
  "concept_id" : "3b0929e7-c6b7-5361-b194-9ea59b58a578",
  "ancestors" : {
    "OAM" : 0
  },
  "id" : "2af890f5-4bee-4629-80fa-23f4f9b363ff",
  "code" : "OAM",
  "display" : "Ophthalmic Axial Measurements",
  "version" : "01"
}