{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "The value that is computed by dividing the sum of a set of X-Ray attenuation coefficients by the number of values ",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "fd742813-c1c1-5e0b-83c5-e5370414a57c",
  "ancestors" : {
    "112181" : 0
  },
  "id" : "fe72c917-24f3-4629-ba4e-7d834a9790c1",
  "code" : "112181",
  "display" : "Mean Attenuation Coefficient",
  "version" : "01"
}