As recently communicated in the February 2020 edition of Anthem’s Provider News, effective for dates of service on and after May 17, 2020, updates will apply to the AIM Musculoskeletal Program: Joint Surgery Clinical Appropriateness Guidelines.  These updates relate to the criteria in the following sections:


  • Hip arthroplasty
  • Knee arthroscopy and open procedures
  • Shoulder arthroplasty including the removal of the  indication for subacromial impingement with rotator cuff tear  

As a reminder, ordering and servicing providers may submit prior authorization requests to AIM in one of several ways:

  • Access AIM’s ProviderPortalSM directly at Online access is available 24/7 to process orders in real-time, and is the fastest and most convenient way to request authorization.
  • Access AIM via the Availity Web Portal at

Call the AIM Contact Center toll-free number: 877-291-0366, Monday–Friday, 8:00 a.m.–6:00 p.m. MT.


For questions related to guidelines, please contact AIM via email at Additionally, you may access and download a copy of the current and upcoming guidelines here.




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May 2020 Anthem Provider News and Important Updates -- Colorado