Emergency: 119
AMDA-IMIC

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

Category / Non-billable header 3 subcodes

Block: Viral and prion infections of the central nervous system (A80-A89)

Excludes 1 (cannot be coded together)

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

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
A88..0 Enteroviral exanthematous fever [Boston exanthem] Yes
A88..1 Epidemic vertigo Yes
A88..8 Other specified viral infections of central nervous system Yes

Related pages

Last reviewed: September 2026