{
  "package" : "hl7.fhir.r4.core@4.0.1",
  "definition" : "Longitudinal distance from the closest edge of a fiducial feature or reference location to the start of the vascular measurement. This value will be a positive if the measurement is distal to the fiducial feature or reference location, or negative if the measurement is proximal to the fiducial feature or reference location",
  "system" : "http://dicom.nema.org/resources/ontology/DCM",
  "property" : [ ],
  "codesystem" : "edcf6828-b2c8-5028-b7f7-246cb8d5ac80",
  "concept_id" : "3e3ddfc6-af6f-5e9d-b732-9c1e89756705",
  "ancestors" : {
    "122337" : 0
  },
  "id" : "68a66bae-61b7-42a6-b9e4-803a091f3c6b",
  "code" : "122337",
  "display" : "Relative position",
  "version" : "01"
}