Effective with dates of service on or after October 1, 2021, Empire Federal Employee Program (FEP) will transition all reviews of diagnostic imaging services to AIM Specialty Health® (AIM). These services will require Prior Authorization to determine medical necessity prior to rendering the service for Empire BlueCross BlueShield (“Empire”) Federal Employee members.

Source:https://providernews.empireblue.com/article/federal-employee-program-aim-radiology-prior-authorization-review