Authorizations and referrals

View documents that list services and medications for which preauthorization may be required for patients with Humana Medicaid, Medicare Advantage, dual Medicare-Medicaid and commercial coverage.

Preauthorization and notification lists

Inpatient and outpatient referral and authorization requests may be submitted and managed online via the multipayer Availity Provider Portal. There is no cost to register.

The Availity Portal allows you to submit referrals and authorization requests to Humana and other participating payers.

1. If you are not registered for the Availity Portal, go to Availity.com to sign up. To find out more about registration, review "How to register for the Availity provider engagement portal." , PDF opens new window

2. Sign in to Availity.com with your user ID and password.

3. To begin a new referral or authorization, select the "Authorizations and Referrals" option from the "Patient Registration" drop-down menu.

4. To review or update an existing request, select “Payer Spaces,” then Humana. You may then select Authorization Management from the list of applications. (If the app is not shown, contact your Availity administrator for access.) To find out more about using the Authorization Management app, review "Streamline authorizations and referrals." , PDF opens new window

While Humana recommends online submission of authorization requests via Availity.com (registration required), the following forms may be used for authorization requests in specific states:

Texas authorization request form

Physicians and other clinicians in Texas may use this form to submit authorization requests for their Humana-covered patients. Instructions are available here. Once complete, please fax the form to Humana at 1-800-266-3022. Include supporting clinical documentation (e.g., medical records, progress notes, lab reports, radiology studies, etc.) with your fax form.

Indiana authorization request form

Physicians and other clinicians in Indiana may use this form to submit authorization requests for their Humana-covered patients. Instructions are included on the form. Once complete, please fax the form to Humana at 1-800-266-3022. Include supporting clinical documentation (e.g., medical records, progress notes, lab reports, radiology studies, etc.) with your fax form.