H71.23
H71.23 — Cholesteatoma of mastoid, bilateral
Billable / specific codeICD-10-CMbilateral
H71.23 is a billable, specific ICD-10-CM code for cholesteatoma of mastoid, bilateral. It is valid for submission on a claim.
Risk adjustment
H71.23 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
H71.23 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.
- A56722Billing and Coding: Intraoperative Neurophysiological Testing
- A57041Billing and Coding: Somatosensory Testing
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
- A57434Billing and Coding: Vestibular and Audiologic Function Studies
Related codes at this level
Codes that share H71.2. If H71.23 is not quite right, the correct code is usually one of these.
Questions about H71.23
- Is H71.23 a billable ICD-10-CM code?
- Yes. H71.23 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H71.23 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).