A88.0 Enteroviral exanthematous fever [Boston exanthem]

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

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) 075-076 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 048 Other enterovirus diseases of central nervous system (approximate)

Diagnosis Index entries for A88.0

• Boston exanthem
• Exanthem, exanthema › Boston
• Exanthem, exanthema › epidemic with meningitis
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › enteroviral exanthematous (Boston exanthem)

Nearby codes

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