{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Value of the control variable used to parametrize the Automatic Exposure Control (AEC) closed loop; e.g. \\\"Water Value\\\"",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "8248ae4a-7a5c-51fa-ae1e-112f92ece88d",
  "ancestors" : {
    "111638" : 0
  },
  "id" : "8250e088-9f95-45a9-bd2c-1428d55133da",
  "code" : "111638",
  "display" : "Patient Equivalent Thickness",
  "version" : "01"
}