H70.891
H70.891 — Other mastoiditis and related conditions, right ear
Billable / specific codeICD-10-CMright
H70.891 is a billable, specific ICD-10-CM code for other mastoiditis and related conditions, right ear. It is valid for submission on a claim.
Risk adjustment
H70.891 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
H70.891 is named in 1 Medicare coverage policy — 1 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
Related codes at this level
Codes that share H70.89. If H70.891 is not quite right, the correct code is usually one of these.
Questions about H70.891
- Is H70.891 a billable ICD-10-CM code?
- Yes. H70.891 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does H70.891 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).