G8566 Pt inelig ref oto evalPatient is not eligible for the "referral for otologic evaluation for sudden or rapidly progressive hearing loss" measure
Status I: not valid for Medicare (Medicare uses another code).
Prior authorization required or conditional in IN.
From payers' published prior-auth lists, coverage policies and state Medicaid fee schedules, updated Oct 16, 2026. The role is what the policy's own code table or text says about the code. Not a guarantee of coverage or payment; verify with the payer. CPT® is a registered trademark of the American Medical Association.