Is H81.8X1 a billable ICD-10-CM code?

Yes. H81.8X1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does H81.8X1 sit in the tabular list?

Diseases of the ear and mastoid process (H60-H95), in the block Diseases of inner ear (H80-H83).

What cannot be coded together with H81.8X1?

H81.8X1 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 H81.8X1 (H81) and apply to it just the same.

H81.8X1

H81.8X1 — Other disorders of vestibular function, right ear

Billable / specific codeICD-10-CMright

H81.8X1 is a billable, specific ICD-10-CM code for other disorders of vestibular function, right ear. It is valid for submission on a claim.

Excludes1 inherited from the categories above H81.8X1

These are not written on H81.8X1, but they bind it: a note on a category applies to every code beneath it. Billing H81.8X1 with anything listed here is a denial.

Written on H81 — Disorders of vestibular function

epidemic vertigo (A88.1)
vertigo NOS (R42)

Other codes that can never be billed with H81.8X1

These codes carry an Excludes1 note pointing at H81.8X1. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading H81.8X1 alone.

R42Dizziness and giddiness

Risk adjustment

H81.8X1 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

H81.8X1 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.

A56497Billing and Coding: Vestibular Function Testing
A57118Billing and Coding: Vestibular Function Tests
A57204Billing and Coding: MRI and CT Scans of the Head and Neck
A57434Billing and Coding: Vestibular and Audiologic Function Studies

Code history

H81.8X1 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 H81.8X. If H81.8X1 is not quite right, the correct code is usually one of these.

Questions about H81.8X1

Is H81.8X1 a billable ICD-10-CM code?: Yes. H81.8X1 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H81.8X1 sit in the tabular list?: Diseases of the ear and mastoid process (H60-H95), in the block Diseases of inner ear (H80-H83).
What cannot be coded together with H81.8X1?: H81.8X1 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 H81.8X1 (H81) and apply to it just the same.