A88.1 vs H81
A88.1 (Epidemic vertigo) compared with H81 (Disorders of vestibular function), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. H81 carries an Excludes1 note covering A88.1: “epidemic vertigo (A88.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| A88.1Epidemic vertigo | H81Disorders of vestibular function | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | H60-H95 — Diseases of the Ear and Mastoid Process (H60-H95) |
| Definition | Epidemic vertigo is a billable ICD-10-CM diagnosis code (A88.1). | Disorders of vestibular function is a non-billable ICD-10-CM category code (H81). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources