In 2018, the Indiana legislature passed House Bill 1143 related to prior authorizations for health care services. The final requirement of the legislation is effective January 1, 2020, and requires health care providers to submit and health plans to accept requests for most prior authorization requests through secure electronic transmission.


To learn more about this law, please visit the Indiana Legislature website and view Indiana House Bill 1143 and the final statute – Request for prior authorization; electronic transmission; standardized form (IC 27-1-37.5-10).


Anthem has multiple secure electronic transmission portals available for providers to submit prior authorization requests depending on the type of health service being provided.


  • Availity. Prior authorizations for medical and behavioral health services are submitted using the Availity portal. For more information about Availity, please visit our website at Here you can learn about all of the services offered through the Availity portal, register to use Availity, and find out how to access training on Availity.


  • AIM ProviderPortalSM. For services administered by AIM Specialty Health®, providers may submit electronic prior authorization requests to AIM using AIM’s ProviderPortalSM directly at


If you are not using our electronic portals for your requests for prior authorization, now would be good time to register and to begin using them. If you have any questions, please contact Provider Services.

For more information, please view the Frequently Asked Questions (FAQ) on this article on

Featured In:
May 2019 Anthem Provider Newsletter - Indiana