As of January 1, 2021, AIM Specialty Health® (AIM) processes prior authorizations and requests for post service medical necessity reviews for some Blue Cross and Blue Shield commercial members in Illinois, Montana, New Mexico, Oklahoma, Texas, and Blue Cross Community Centennialsm Medicaid members in New Mexico.

It’s important to remember that benefits vary based on the service being rendered and individual and group policy elections. Always check eligibility and benefits first, through Availity® or your preferred web vendor. This step will help you confirm coverage and other important details, such as prior authorization requirements and vendors, if applicable.

Use the buttons below to access clinical guidelines for each solution.

Frequently asked questions


CPT code lists

To access the current CPT code lists please visit the provider website for the member’s plan.

Commercial Plans

Government Plans

Order request checklists

View/print order request checklists that summarize clinical information needed to request prior authorization

Advanced Imaging/Cardiology:

Radiation Therapy:

Joint/Spine Surgery and Pain Management:

Sleep Medicine:

Access ProviderPortalSM
Submit prior authorization and post service medical necessity review requests to AIM online:

  • Access AIM ProviderPortal directly at
  • Online access is available 24/7 to process orders in real time and is the fastest and most convenient way to request prior authorization.
  • If you need technical support with ProviderPortal or registration for the ProviderPortal training sessions, please contact 1-800-252-2021, option 2,
    7 AM – 6 PM CT weekdays
    (6 AM – 5 PM MT)

AIM Specialty Health is an independent company that has contracted with Blue Cross and Blue Shield Plans of Illinois, Montana, New Mexico, Oklahoma, and Texas, to provide named service for members with coverage through plans in BCBSIL, BCBSMT, BCBSNM, BCBSOK, BCBSTX.

BCBSIL, BCBSMT, BCBSNM, BCBSOK, and BCBSTX make no endorsement, representations or warranties regarding third-party vendors and the products and services offered by them.