Attention: Reminder prior authorization required


This is a courtesy reminder that diagnostic imaging services requested on or after November 1, 2021, for Empire BlueCross BlueShield (Empire) members enrolled in the Federal Employee Program® (FEP) transitioned to AIM Specialty Health® (AIM).* These services require prior authorization to determine medical necessity prior to rendering the service for Empire members enrolled in FEP.


Please contact AIM prior to rendering the service to obtain pre-service review for the following non-emergency modalities. Attached is the list of procedure code and description of the services that require prior authorization. 

Attached is a list of Procedure codes (PX codes) for radiology/cardiology diagnostic imaging services.


How to submit a request for review:

As a reminder, providers can submit requests for review or can verify order numbers using one of the following methods as a registered AIM portal provider:

  • How to register by phone: Call AIM Specialty Health toll-free at 866-789-0397, Monday through Friday between 7 a.m. to 7 p.m. CT.
  • For more information about the Radiology Program and to help your practice get started, go to website can also help you learn more about provider access to useful information and tools such as order entry checklists and clinical guidelines.


Empire values your participation in our network as well as the services you provide. We look forward to working with you to help improve the health of our members.


* AIM Specialty Health is an independent company providing some utilization review services on behalf of Empire BlueCross BlueShield.




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July 2022 Newsletter