H65.412
H65.412 — Chronic allergic otitis media, left ear
Billable / specific codeICD-10-CMleft
H65.412 is a billable, specific ICD-10-CM code for chronic allergic otitis media, left ear. It is valid for submission on a claim.
Risk adjustment
H65.412 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
H65.412 is named in 14 Medicare coverage policies — 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56558Billing and Coding: Allergy Testing
- A57181Billing and Coding: Allergy Testing
- A57181Billing and Coding: Allergy Testing
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Code history
H65.412 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 H65.41. If H65.412 is not quite right, the correct code is usually one of these.
Questions about H65.412
- Is H65.412 a billable ICD-10-CM code?
- Yes. H65.412 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H65.412 sit in the tabular list?
- Diseases of the ear and mastoid process (H60-H95), in the block Diseases of middle ear and mastoid (H65-H75).