A00–B99: Certain Infectious and Parasitic Diseases
Chapter 1 of ICD-10-CM 2027, 1,309 codes in 22 blocks.
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Chapter instructions
Includes: conditions that are coded here
- diseases generally recognized as communicable or transmissible
Excludes2: not included here, code separately if applicable
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Use additional code: add a second code for this, listed after this one
- code to identify resistance to antimicrobial drugs (Z16.-)
Codes in this chapter
All codesBillable only1,309 results
- A80.30Acute paralytic poliomyelitis, unspecified
- A80.39Other acute paralytic poliomyelitis
- A80.4Acute nonparalytic poliomyelitis
- A80.9Acute poliomyelitis, unspecified
- A81Atypical virus infections of central nervous system
- A81.0Creutzfeldt-Jakob disease
- A81.00Creutzfeldt-Jakob disease, unspecified
- A81.01Variant Creutzfeldt-Jakob disease
- A81.09Other Creutzfeldt-Jakob disease
- A81.1Subacute sclerosing panencephalitis
- A81.2Progressive multifocal leukoencephalopathy
- A81.8Other atypical virus infections of central nervous system
- A81.81Kuru
- A81.82Gerstmann-Straussler-Scheinker syndrome
- A81.83Fatal familial insomnia
- A81.89Other atypical virus infections of central nervous system
- A81.9Atypical virus infection of central nervous system, unspecified
- A82Rabies
- A82.0Sylvatic rabies
- A82.1Urban rabies
- A82.9Rabies, unspecified
- A83Mosquito-borne viral encephalitis
- A83.0Japanese encephalitis
- A83.1Western equine encephalitis
- A83.2Eastern equine encephalitis
- A83.3St Louis encephalitis
- A83.4Australian encephalitis
- A83.5California encephalitis
- A83.6Rocio virus disease
- A83.8Other mosquito-borne viral encephalitis
- A83.9Mosquito-borne viral encephalitis, unspecified
- A84Tick-borne viral encephalitis
- A84.0Far Eastern tick-borne encephalitis [Russian spring-summer encephalitis]
- A84.1Central European tick-borne encephalitis
- A84.8Other tick-borne viral encephalitis
- A84.81Powassan virus disease
- A84.89Other tick-borne viral encephalitis
- A84.9Tick-borne viral encephalitis, unspecified
- A85Other viral encephalitis, not elsewhere classified
- A85.0Enteroviral encephalitis
- A85.1Adenoviral encephalitis
- A85.2Arthropod-borne viral encephalitis, unspecified
- A85.8Other specified viral encephalitis
- A86Unspecified viral encephalitis
- A87Viral meningitis
- A87.0Enteroviral meningitis
- A87.1Adenoviral meningitis
- A87.2Lymphocytic choriomeningitis
- A87.8Other viral meningitis
- A87.9Viral meningitis, unspecified
