H81.21
H81.21 — Vestibular neuronitis, right ear
Billable / specific codeICD-10-CMright
H81.21 is a billable, specific ICD-10-CM code for vestibular neuronitis, right ear. It is valid for submission on a claim.
Risk adjustment
H81.21 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
H81.21 is named in 9 Medicare coverage policies — 9 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
- A57311Billing and Coding: Physical Therapy - Home Health
Related codes at this level
Codes that share H81.2. If H81.21 is not quite right, the correct code is usually one of these.
Questions about H81.21
- Is H81.21 a billable ICD-10-CM code?
- Yes. H81.21 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H81.21 sit in the tabular list?
- Diseases of the ear and mastoid process (H60-H95), in the block Diseases of inner ear (H80-H83).