ICD-10-CM 2027 diagnosis code

H81Disorders of vestibular function

Not billable — use a more specific code

H81 is a header code, so it can't be reported by itself. Choose one of the 7 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About H81

H81 is the ICD-10-CM diagnosis code for disorders of vestibular function. It belongs to block H80-H83 (diseases of inner ear) and chapter 8 (diseases of the ear and mastoid process). It is a header code, so it can't be reported by itself; one of its 7 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: H81.0 (disease), H81.1 (vertigo), H81.2 (neuronitis), H81.3 (vertigo), H81.4 (origin), H81.8 (function) and H81.9 (function).

Don't report H81 together with the conditions in its Excludes1 note: epidemic vertigo (A88.1) and vertigo NOS (R42).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under H81

Coding notes

Excludes1Not coded here — never report together with this code

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

Notes that apply from higher levels

Instructions written at a parent level also apply to H81.

Broader instructions also apply from Chapter 8: Diseases of the ear and mastoid process.

Codes whose notes reference H81

R42Excludes1

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about H81

Is H81 billable?: No. H81 is a header code. Report one of its more specific subcodes instead.