Is H73.12 a billable ICD-10-CM code?

Yes. H73.12 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does H73.12 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).

What cannot be coded together with H73.12?

H73.12 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above H73.12 (H73.1) and apply to it just the same.

H73.12

H73.12 — Chronic myringitis, left ear

Billable / specific codeICD-10-CMleft

H73.12 is a billable, specific ICD-10-CM code for chronic myringitis, left ear. It is valid for submission on a claim.

Excludes1 inherited from the categories above H73.12

These are not written on H73.12, but they bind it: a note on a category applies to every code beneath it. Billing H73.12 with anything listed here is a denial.

Written on H73.1 — Chronic myringitis

chronic myringitis with otitis media (H65, H66)

Risk adjustment

H73.12 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

H73.12 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

Code history

H73.12 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 H73.1. If H73.12 is not quite right, the correct code is usually one of these.

Questions about H73.12

Is H73.12 a billable ICD-10-CM code?: Yes. H73.12 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H73.12 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).
What cannot be coded together with H73.12?: H73.12 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above H73.12 (H73.1) and apply to it just the same.