Mandatory Prior Authorization

As a result of the Michigan prior authorization legislation (referred to as Public Act 60), health care providers must electronically submit prior authorization (PA) requests.

To submit a mandatory prior authorization, follow the steps below:

1. Register.
2. Set up an account in the portal.
3. If the provider portal is disabled, please call 800-336-0013 to request a paper registration form.

Video tutorials

Requests for services that require mandatory prior authorization require a response within 7 days of submission for standard requests and within 72 hours for urgent requests.

Click below for the criteria used to determine medical necessity:

The MESSA Provider Portal user guide illustrates the use of features within the portal.