• postpolio syndrome (G14)
  • sequelae of poliomyelitis (B91)
  • sequelae of viral encephalitis (B94.1)
  1. A88 Other viral infections of central nervous system, not elsewhere classified


    • viral encephalitis NOS (A86)
    • viral meningitis NOS (A87.9)
    1. A88.0 Enteroviral exanthematous fever [Boston exanthem]

    2. A88.1 Epidemic vertigo

    3. A88.8 Other specified viral infections of central nervous system

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.