G9343 HCPCS - DUE TO MEDICAL REASONS, SEARCH NOT CONDUCTED FOR DICOM FORMAT IMAGES FOR PRIOR PATIENT CT IMAGING STUDIES COMPLETED AT NON-AFFILIATED EXTERNAL HEALTHCARE FACILITIES OR ENTITIES WITHIN THE PAST 12 MONTHS THAT ARE AVAILABLE THROUGH A SECURE, AUTHORIZED, MEDIA-FREE, SHARED ARCHIVE (E.G., CT STUDIES PERFORMED FOR RADIATION TREATMENT PLANNING OR IMAGE-GUIDED RADIATION TREATMENT DELIVERY)