Physical and Behavioral Health Services

Prior Authorization Services Instructions

Doctor talkint to a mother and child

Prior Authorization at a Glance

Prior Authorization is NOT Required

  • Services rendered in an emergency room or urgent care center
  • Services rendered by a public health or welfare agency
  • Family planning services billed with a contraceptive management diagnosis

Prior Authorization or Notification IS Required

  • Admission of a member to an inpatient facility
  • Service requests that are over the benefit limit or a non-covered code

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.

Prior Authorization Tool

To check on a specific service or procedure, use one of the Prior Authorization (PA) Tools linked below.  

Trillium Prior Authorization (PA) Lookup Tool

To check on a specific service or procedure for Trillium members, use this Prior Authorization Tool. Providers should also review the Clinical Coverage Policy for specific details on services and procedures.

This tool lets providers and members know which services or treatments require permission from Trillium before care can be provided. 

How to Submit a Prior Authorization

Trillium encourages prior authorization requests to be submitted through the appropriate electronic portal. 

Prior Authorization Portals

Authorization PortalService
Trillium iTransact Portal
  • Behavioral Health Tailored Plan
  • Cell and Gene Therapy
  • Home Infusions
  • Inpatient
  • Labs
  • Ophthalmology
  • Post-Acute Care
  • Specialty Care, including Occupational Therapy, Physical Therapy, and Speech
Trillium Provider Direct Portal
  • Behavioral Health for Medicaid Direct and State-Funded
Carolina Complete Health-Availity-Availity
  • Durable Medical Equipment (DME), including Orthotics, Prosthetics, and Hearing Aid Services​
  • PCS, Private Duty Nursing, Home Health, Hospice​
  • Transplants and CAR-T-Cell therapy​
Centene Vision
  • Vision
EviCore
  • Genetic Testing
Evolent (RadMD)​
  • Outpatient Imaging​
  • Outpatient and Elective Inpatient Musculoskeletal Surgery and Interventional Pain Management​
Evolent (CarePro)
  • Outpatient Radiation Oncology
Turning Point
  • Outpatient and Non-emergent Inpatient Interventional Cardiology Procedures​

For more detailed information, see our Authorization Submission Guidelines 

Final Annual Prior Authorization Metric Report for 2025

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