Medicare AdvantagePrior AuthMedium impact
Prior Authorization Changes for Some Government Program Members
BCBS Oklahoma·OK · Oncology, Radiology·Prior Authorization
Effective date
Oct 1, 2026
We identified it
Jun 18, 2026
Summary
Blue Cross Blue Shield of Oklahoma is changing prior authorization requirements for some government program members, effective October 1, 2026. Select Proton Beam codes will now require prior authorization review by BCBSOK for Medicare Advantage members, with utilization management handled by BCBSOK and EviCore healthcare.
Action Required
Before October 1, 2026: Billing team must update systems to require prior authorization for select Proton Beam codes for Medicare Advantage members. Check BCBSOK's prior authorization lists for the revised code list. Always verify eligibility and benefits through Availity Essentials before rendering services to confirm prior authorization requirements. Services performed without required prior authorization may be denied for payment.