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BCBS IllinoisCommercial · Prior Auth · Prior Authorization · ILHigh 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 prior authorization changes across different dates, affecting commercial non-HMO members, Medicare Advantage members, and Blue Cross Community Health Plans members. The changes involve adding and removing various procedure codes from prior authorization requirements, with different utilization management vendors (BCBSIL, EviCore, and Carelon) handling different services.

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What to do

by Apr 1, 2026 · 4 steps
01Billing team must update prior authorization workflows for BCBS Illinois members.
02Check eligibility and benefits through Availity Essentials before rendering services to confirm current prior auth requirements and correct utilization management vendors (BCBSIL, EviCore, or Carelon).
03Update staff training on the multiple effective dates: April 1, 2026 for Medicare Advantage and BCCHP changes, July 1, 2026 for additional commercial and BCCHP changes.
04Services performed without required prior authorization may be denied and providers cannot bill members directly.

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

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