G8566 – Patient is not eligible for the "referral for otologic evaluation for sudden or rapidly progressive hearing loss" measure

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG8566
Long description
Patient is not eligible for the "referral for otologic evaluation for sudden or rapidly progressive hearing loss" measure
Short description
Pt inelig ref oto eval
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
M5D Specialist - other
Added
January 1, 2010
Last change
January 1, 2010 – No change

Frequently asked questions

What is HCPCS code G8566?

G8566 is a HCPCS Level II code for patient is not eligible for the "referral for otologic evaluation for sudden or rapidly progressive hearing loss" measure.

Does Medicare cover G8566?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.