Viral and prion infections of the central nervous system A80-A89 >

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as A80-A89. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • postpolio syndrome (
    ICD-10-CM Diagnosis Code G14

    Postpolio syndrome

      2016 2017 2018 2019 Billable/Specific Code
    • postpolio myelitic syndrome
    Type 1 Excludes
    • sequelae of poliomyelitis (B91)
  • sequelae of poliomyelitis (
    ICD-10-CM Diagnosis Code B91

    Sequelae of poliomyelitis

      2016 2017 2018 2019 Billable/Specific Code POA Exempt
    Type 1 Excludes
    • postpolio syndrome (G14)
  • sequelae of viral encephalitis (
    ICD-10-CM Diagnosis Code B94.1

    Sequelae of viral encephalitis

      2016 2017 2018 2019 Billable/Specific Code POA Exempt
ICD-10-CM Diagnosis Codes A80-*
  • A80 Acute poliomyelitis
    • A80.0 Acute paralytic poliomyelitis, vaccine-associ...
    • A80.1 Acute paralytic poliomyelitis, wild virus, im...
    • A80.2 Acute paralytic poliomyelitis, wild virus, in...
    • A80.3 Acute paralytic poliomyelitis, other and unsp...
      • A80.30 Acute paralytic poliomyelitis, unspecified
      • A80.39 Other acute paralytic poliomyelitis
    • A80.4 Acute nonparalytic poliomyelitis
    • A80.9 Acute poliomyelitis, unspecified
ICD-10-CM Diagnosis Codes A81-*
  • A81 Atypical virus infections of central nervous ...
    • A81.0 Creutzfeldt-Jakob disease
      • A81.00 …… unspecified
      • A81.01 Variant Creutzfeldt-Jakob disease
      • A81.09 Other Creutzfeldt-Jakob disease
    • A81.1 Subacute sclerosing panencephalitis
    • A81.2 Progressive multifocal leukoencephalopathy
    • A81.8 Other atypical virus infections of central ne...
      • A81.81 Kuru
      • A81.82 Gerstmann-Sträussler-Scheinker syndrome
      • A81.83 Fatal familial insomnia
      • A81.89 Other atypical virus infections of central ne...
    • A81.9 Atypical virus infection of central nervous s...
ICD-10-CM Diagnosis Codes A82-*
ICD-10-CM Diagnosis Codes A83-*
  • A83 Mosquito-borne viral encephalitis
    • A83.0 Japanese encephalitis
    • A83.1 Western equine encephalitis
    • A83.2 Eastern equine encephalitis
    • A83.3 St Louis encephalitis
    • A83.4 Australian encephalitis
    • A83.5 California encephalitis
    • A83.6 Rocio virus disease
    • A83.8 Other mosquito-borne viral encephalitis
    • A83.9 Mosquito-borne viral encephalitis, unspecifie...
ICD-10-CM Diagnosis Codes A84-*
  • A84 Tick-borne viral encephalitis
    • A84.0 Far Eastern tick-borne encephalitis [Russian ...
    • A84.1 Central European tick-borne encephalitis
    • A84.8 Other tick-borne viral encephalitis
    • A84.9 Tick-borne viral encephalitis, unspecified
ICD-10-CM Diagnosis Codes A85-*
  • A85 Other viral encephalitis, not elsewhere class...
    • A85.0 Enteroviral encephalitis
    • A85.1 Adenoviral encephalitis
    • A85.2 Arthropod-borne viral encephalitis, unspecifi...
    • A85.8 Other specified viral encephalitis
ICD-10-CM Diagnosis Codes A86-*
  • A86 Unspecified viral encephalitis
ICD-10-CM Diagnosis Codes A87-*
  • A87 Viral meningitis
    • A87.0 Enteroviral meningitis
    • A87.1 Adenoviral meningitis
    • A87.2 Lymphocytic choriomeningitis
    • A87.8 Other viral meningitis
    • A87.9 Viral meningitis, unspecified
ICD-10-CM Diagnosis Codes A88-*
  • A88 Other viral infections of central nervous sys...
    • A88.0 Enteroviral exanthematous fever [Boston exant...
    • A88.1 Epidemic vertigo
    • A88.8 Other specified viral infections of central n...
ICD-10-CM Diagnosis Codes A89-*
  • A89 Unspecified viral infection of central nervou...