Prior Authorization Services Instructions
Prior Authorization Tool
To check on a specific service or procedure, use one of the Prior Authorization (PA) Tools linked below.
Notice: Flexibilities
Trillium will implement Flexibilities beginning October 1, 2026, through January 4, 2027. During this period, no prior authorization will be required for outpatient specialized services, including:
- Physical Therapy
- Occupational Therapy
- Speech Therapy
- Audiology Therapy
These flexibilities are intended to support continuity of care during the transition period and ensure members can access necessary services without interruption.
Trillium Physical Health
To check on a specific physical health service or procedure for Trillium members, use this Pre-Authorization Tool. Providers should also review the Clinical Coverage Policy for specific details on services and procedures.
Trillium Behavioral Health
To check on a specific behavioral health service or procedure for Trillium members, use this Pre-Authorization Tool. Providers should also review the Clinical Coverage Policy for specific details on services and procedures.