A81: Atypical virus infections of central nervous system includes diseases of the central nervous system caused by prions useAdditionalCode code to identify: dementia with behavioral disturbance (F02.81) dementia without behavioral disturbance (F02.80) |
| A81.0: Creutzfeldt-Jakob disease |
| A81.1: Subacute sclerosing panencephalitis |
| A81.2: Progressive multifocal leukoencephalopathy |
| A81.8: Other atypical virus infections of central nervous system |
| A81.9: Atypical virus infection of central nervous system, unspecified |