A88.1 Epidemic vertigo

Billable ICD-10-CM code, FY2026.

Applies from A88 Other viral infections of central nervous system, not elsewhere classified

Excludes1 (never code together)

• viral encephalitis NOS (A86)
• viral meningitis NOS (A87.9)

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 078.81 Epidemic vertigo

Code annotations containing back-references to A88.1

Back-references to A88.1

• Type 1 Excludes: H81 Disorders of vestibular function ("epidemic vertigo (A88.1)")
• Type 1 Excludes: H82 Vertiginous syndromes in diseases classified elsewhere ("epidemic vertigo (A88.1)")

Diagnosis Index entries for A88.1

• Vertigo › epidemic

Nearby codes

• A88 Other viral infections of central nervous system, not elsewhere classified
• A88.0 Enteroviral exanthematous fever [Boston exanthem]
• A88.1 Epidemic vertigo (this code)
• A88.8 Other specified viral infections of central nervous system