Is prior authorization required for MRIs, CT Scans, and other advanced radiologic imaging services?
Response: For dates of service on or after September 1, 2008, the following advanced radiologic imaging services require prior authorization review by calling 1-800-424-4213: CT Scans, MRA/MRI Scans, MRS Scans, Nuclear Medicine cardiology Scans, PET Scans and SPECT Scans. Please refer to MA Bulletin 99-08-08 for more information.