National Imaging Associates, a Magellan Health Services Company
Welcome to RADMD

Centene / Trillium Health Resources

Welcome to the Trillium Health Resources page.  The documents below have been designed to help RadMD users navigate the prior authorization process for each program Evolent (formerly National Imaging Associates, Inc.) is responsible for. Additional process-specific training tools and modules can be found via links on the Resources tab at the top of the screen.

PLEASE NOTE: Trillium Health Resources, with North Carolina Medicaid guidance is waiving prior authorization for the dates of service from July 1, 2024, through September 30, 2024. 

Prior authorization will be required for all dates of service on October 1, 2024, and thereafter. Evolent will be available to begin providing prior authorizations for those services starting on September 23, 2024, for dates of service October 1, 2024, and after. 

Prior authorization will be required for the following outpatient procedures:

  • CT/CTA
  • MRI/MRA
  • PET Scan
  • MUGA Scan
  • Nuclear Stress Test
  • Echocardiography

If you have any questions about our programs, please contact your dedicated Evolent Provider Relations Manager: Priscilla Singleton

Advanced Imaging Program

  • Frequently Asked Questions - Pending Approval 
  • Peer-to-Peer Process - Pending Approval
  • Provider Education Presentation - Pending Approval
  • Quick Reference Guide - Pending Approval
  • Utilization Review Matrix - Pending Approval

For access to our Advanced Imaging tip sheets/checklists, click here.

Cardiac Program

  • Frequently Asked Questions - Pending Approval

For access to our Cardiac tip sheets/checklists, click here.

Conservative Treatment Forms  

For access to our conservative treatment forms, click here.

Clinical Guidelines

  • Clinical Guidelines
  • Refer to the Utilization Review Matrix document to view specific codes managed by Evolent.