Medicare AdvantagePrior AuthHigh impact
We’ve made changes to the noncovered services prior authorization process for Medicare Advantage members
BCBS Michigan·MI·Prior Authorization
Effective date
May 24, 2026
We identified it
Jun 16, 2026
Summary
Blue Cross Blue Shield of Michigan has stopped accepting prior authorization requests for noncovered services through their e-referral system for Medicare Advantage members, effective May 24, 2026. Providers must now submit voluntary organization determinations or advance coverage determinations directly to BCBSM or BCN for these services.
Action Required
Immediately: Billing team must stop submitting prior authorization requests for noncovered services through the e-referral system for Medicare Plus Blue and BCN Advantage members. When attempting to submit these requests, the system will reject them with a specific error message. Instead, submit voluntary organization determinations or advance coverage determinations directly to BCBSM or BCN. Before submitting, check CMS National/Local Coverage Determinations and Blue Cross medical policies using the Medicare Coverage Database and Medical Policy Router to confirm coverage status.