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BCBS IllinoisCommercial · Prior Auth · Prior Authorization · IL · Oncology, Radiology, Sleep Medicine +1 moreHigh impact

Prior Authorization Changes for Some Commercial and Government Program Members

Act
by Apr 1, 2026
Effective date
Apr 1, 2026
Identified
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.

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What to do

by Apr 1, 2026 · 4 steps
01Update billing workflows to obtain prior authorization for replacement medical oncology codes through Carelon.
02By 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).
03Always verify eligibility and benefits through Availity Essentials before rendering services to confirm prior authorization requirements and utilization management vendors.
04Claims without required prior authorization may be denied and providers cannot bill patients.

Original notice

Prior Authorization Changes for Some Commercial and Government Program Members
bcbsil.com · Always check the source before changing claims.
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Related changes

See all BCBS Illinois changes →
Prior Authorization Changes for Some Commercial and Government Program MembersHighEffective Oct 1, 2026 · Prior AuthorizationPrior Authorization Changes for Some Commercial and Government Program MembersHighEffective Oct 1, 2026 · Prior AuthorizationPrior Authorization Changes for Some Commercial and Government Program MembersMediumEffective Oct 1, 2026 · Prior AuthorizationPrior Authorization Changes for Some Commercial and Government Program MembersHighNo effective date · Prior AuthorizationBrowse every BCBS Illinois change in the policy list

Related policy hubs

BCBS Illinois policiesIL policy changesOncologyRadiologySleep MedicineOrthopedics

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