CommercialPrior AuthHigh impact
Prior Authorization Changes for Some Commercial and Government Program Members
BCBS Illinois·IL · Oncology, Radiology, Sleep Medicine +1 more·Prior Authorization
Effective date
Apr 1, 2026
We identified it
Jun 16, 2026
Summary
Blue Cross Blue Shield of Illinois is implementing multiple waves of prior authorization changes for commercial and Medicare Advantage members, with new requirements for oncology, imaging, sleep medicine, orthotic, pharmacy, and other services starting April 1 and July 1, 2026.
Action Required
By April 1, 2026: Update billing workflows to obtain prior authorization for replacement medical oncology codes through Carelon. By July 1, 2026: Implement prior authorization processes for radiation oncology, advanced imaging, sleep medicine, molecular genetic lab, medical oncology, drug codes (commercial), orthotic codes, MAPD codes, and pharmacy codes (Medicare Advantage). Always verify eligibility and benefits through Availity Essentials before rendering services to confirm prior authorization requirements and utilization management vendors. Claims without required prior authorization may be denied and providers cannot bill patients.