H74.313
H74.313 — Ankylosis of ear ossicles, bilateral
Billable / specific codeICD-10-CMbilateral
H74.313 is a billable, specific ICD-10-CM code for ankylosis of ear ossicles, bilateral. It is valid for submission on a claim.
Risk adjustment
H74.313 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
H74.313 is named in 3 Medicare coverage policies — 3 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A57434Billing and Coding: Vestibular and Audiologic Function Studies
- A57434Billing and Coding: Vestibular and Audiologic Function Studies
Related codes at this level
Codes that share H74.31. If H74.313 is not quite right, the correct code is usually one of these.
Questions about H74.313
- Is H74.313 a billable ICD-10-CM code?
- Yes. H74.313 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H74.313 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).