H83.91
H83.91 — Unspecified disease of right inner ear
Billable / specific codeICD-10-CMright
H83.91 is a billable, specific ICD-10-CM code for unspecified disease of right inner ear. It is valid for submission on a claim.
Risk adjustment
H83.91 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
H83.91 is named in 7 Medicare coverage policies — 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56497Billing and Coding: Vestibular Function Testing
- A57118Billing and Coding: Vestibular Function Tests
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A57434Billing and Coding: Vestibular and Audiologic Function Studies
Code history
H83.91 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.
Related codes at this level
Codes that share H83.9. If H83.91 is not quite right, the correct code is usually one of these.
Questions about H83.91
- Is H83.91 a billable ICD-10-CM code?
- Yes. H83.91 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H83.91 sit in the tabular list?
- Diseases of the ear and mastoid process (H60-H95), in the block Diseases of inner ear (H80-H83).