A00–B99
Certain Infectious and Parasitic Diseases
Cholera, tuberculosis, HIV, hepatitis, COVID-19
A80.30
Acute paralytic poliomyelitis, unspecified
Billable
A80.39
Other acute paralytic poliomyelitis
Billable
A80.4
Acute nonparalytic poliomyelitis
Billable
A80.9
Acute poliomyelitis, unspecified
Billable
A81
Atypical virus infections of central nervous system
Non-billable
A81.0
Creutzfeldt-Jakob disease
Non-billable
A81.00
Creutzfeldt-Jakob disease, unspecified
Billable
A81.01
Variant Creutzfeldt-Jakob disease
Billable
A81.09
Other Creutzfeldt-Jakob disease
Billable
A81.1
Subacute sclerosing panencephalitis
Billable
A81.2
Progressive multifocal leukoencephalopathy
Billable
A81.8
Other atypical virus infections of central nervous system
Non-billable
A81.81
Kuru
Billable
A81.82
Gerstmann-Straussler-Scheinker syndrome
Billable
A81.83
Fatal familial insomnia
Billable
A81.89
Other atypical virus infections of central nervous system
Billable
A81.9
Atypical virus infection of central nervous system, unspecified
Billable
A82
Rabies
Non-billable
A82.0
Sylvatic rabies
Billable
A82.1
Urban rabies
Billable
A82.9
Rabies, unspecified
Billable
A83
Mosquito-borne viral encephalitis
Non-billable
A83.0
Japanese encephalitis
Billable
A83.1
Western equine encephalitis
Billable
A83.2
Eastern equine encephalitis
Billable
A83.3
St Louis encephalitis
Billable
A83.4
Australian encephalitis
Billable
A83.5
California encephalitis
Billable
A83.6
Rocio virus disease
Billable
A83.8
Other mosquito-borne viral encephalitis
Billable
A83.9
Mosquito-borne viral encephalitis, unspecified
Billable
A84
Tick-borne viral encephalitis
Non-billable
A84.0
Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
Billable
A84.1
Central European tick-borne encephalitis
Billable
A84.8
Other tick-borne viral encephalitis
Non-billable
A84.81
Powassan virus disease
Billable
A84.89
Other tick-borne viral encephalitis
Billable
A84.9
Tick-borne viral encephalitis, unspecified
Billable
A85
Other viral encephalitis, not elsewhere classified
Non-billable
A85.0
Enteroviral encephalitis
Billable
A85.1
Adenoviral encephalitis
Billable
A85.2
Arthropod-borne viral encephalitis, unspecified
Billable
A85.8
Other specified viral encephalitis
Billable
A86
Unspecified viral encephalitis
Billable
A87
Viral meningitis
Non-billable
A87.0
Enteroviral meningitis
Billable
A87.1
Adenoviral meningitis
Billable
A87.2
Lymphocytic choriomeningitis
Billable
A87.8
Other viral meningitis
Billable
A87.9
Viral meningitis, unspecified
Billable
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