Is H81 a billable ICD-10-CM code?

No. H81 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does H81 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?

H81 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

H81

H81 — Disorders of vestibular function

Non-billable headerICD-10-CM

H81 is a non-billable header ICD-10-CM code for disorders of vestibular function. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Other codes that can never be billed with H81

These codes carry an Excludes1 note pointing at H81. 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 alone.

R42Dizziness and giddiness

Risk adjustment

H81 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.

Code to one of these instead H81

7 child codes. Green means billable.

Questions about H81

Is H81 a billable ICD-10-CM code?: No. H81 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does H81 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?: H81 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.