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ALL MEDICAL CODES IN CATEGORY Viral and prion infections of the central nervous system (A80-A89)

2025 ICD-10-CM code A84.1

Central European tick-borne encephalitis (TBE-Eu) is a viral infection causing inflammation of the brain.

2025 ICD-10-CM code A83.1

Western equine encephalitis.

2025 ICD-10-CM code A85.0

Enteroviral encephalitis. Enteroviral encephalomyelitis.

2025 ICD-10-CM code A83.6

Rocio virus disease, a mosquito-borne flavivirus infection causing encephalitis (brain inflammation).

2025 ICD-10-CM code A89

Unspecified viral infection of the central nervous system.

2025 ICD-10-CM code A83.0

Japanese encephalitis.

2025 ICD-10-CM code A83.9

Mosquito-borne viral encephalitis, unspecified.

2025 ICD-10-CM code A84.0

Far Eastern tick-borne encephalitis (TBE-FE), formerly known as Russian spring-summer encephalitis (RSSE).

2025 ICD-10-CM code A80.2

Acute paralytic poliomyelitis due to indigenous wild virus.

2025 ICD-10-CM code A83.2

Eastern equine encephalitis.

2025 ICD-10-CM code A83

Mosquito-borne viral encephalitis. Includes mosquito-borne viral meningoencephalitis.

2025 ICD-10-CM code A81.2

Progressive multifocal leukoencephalopathy. Multifocal leukoencephalopathy NOS.

2025 ICD-10-CM code A84.89

Other tick-borne viral encephalitis.

2025 ICD-10-CM code A84.9

Tick-borne viral encephalitis, unspecified.

2025 ICD-10-CM code A82.9

Rabies, unspecified.

2025 ICD-10-CM code A81.89

Other atypical virus infections of the central nervous system.

2025 ICD-10-CM code A80.1

Acute paralytic poliomyelitis due to imported wild virus.

2025 ICD-10-CM code A81.1

Subacute sclerosing panencephalitis (SSPE) is a rare but fatal complication of measles infection that affects the brain. It typically develops years after the initial measles infection.

2025 ICD-10-CM code A80.4

Acute nonparalytic poliomyelitis. This condition involves symptoms such as fever, headache, nausea, vomiting, neck and back stiffness, muscle pains, and inflammation of the meninges, but without paralysis.

2025 ICD-10-CM code A87.1

Adenoviral meningitis: An inflammation of the protective membranes surrounding the brain and spinal cord caused by adenovirus.

2025 ICD-10-CM code A85.2

Arthropod-borne viral encephalitis, unspecified. This code excludes West Nile virus with encephalitis (A92.31).

2025 ICD-10-CM code A87.2

Lymphocytic choriomeningitis (LCM) is a viral infection affecting the nervous system. It is caused by the lymphocytic choriomeningitis virus (LCMV).

2025 ICD-10-CM code A80.0

Acute paralytic poliomyelitis, vaccine-associated.

2025 ICD-10-CM code A88.8

Other specified viral infections of the central nervous system.

2025 ICD-10-CM code A83.3

St. Louis encephalitis.

2025 ICD-10-CM code A80

Acute poliomyelitis.

2025 ICD-10-CM code A81.8

Other atypical virus infections of the central nervous system.

2025 ICD-10-CM code A81

Atypical virus infections of the central nervous system. This includes diseases of the central nervous system caused by prions.

2025 ICD-10-CM code A84.8

Other tick-borne viral encephalitis. This code represents a type of tick-borne viral encephalitis not otherwise specified.

2025 ICD-10-CM code A84.81

Powassan virus disease.

2025 ICD-10-CM code A80.9

Acute poliomyelitis, unspecified.

2025 ICD-10-CM code A87.8

Other viral meningitis. This code is used for viral meningitis not otherwise specified in the ICD-10-CM.

2025 ICD-10-CM code A83.5

California encephalitis is a mosquito-borne viral infection that causes inflammation of the brain.

2025 ICD-10-CM code A83.4

Australian encephalitis (also known as Murray Valley encephalitis) is a mosquito-borne viral infection that causes inflammation of the brain.

2025 ICD-10-CM code A81.83

Fatal familial insomnia (FFI) is a rare, progressive neurodegenerative genetic disease affecting the thalamus, leading to death within 12-18 months of symptom onset.

2025 ICD-10-CM code A88.0

Enteroviral exanthematous fever (also known as Boston exanthem).

2025 ICD-10-CM code A80.30

Acute paralytic poliomyelitis, unspecified.

2025 ICD-10-CM code A81.81

Kuru is a rare, degenerative prion disease affecting the central nervous system. It is characterized by tremors, loss of coordination, and neurological decline.

2025 ICD-10-CM code A82

Rabies is a viral disease that causes inflammation of the brain in humans and other mammals.

2025 ICD-10-CM code A83.8

Other mosquito-borne viral encephalitis

2025 ICD-10-CM code A81.01

Variant Creutzfeldt-Jakob disease (vCJD). This is a rare and fatal prion disease transmitted by consuming contaminated beef products.

2025 ICD-10-CM code A87.0

Enteroviral meningitis. This is the most common type of viral meningitis, often caused by coxsackieviruses or echoviruses.

2025 ICD-10-CM code A80.3

Acute paralytic poliomyelitis, other and unspecified.

2025 ICD-10-CM code A82.0

Sylvatic rabies.

2025 ICD-10-CM code A85

Other viral encephalitis, not elsewhere classified. This encompasses inflammation of the brain due to a virus, excluding specific types like tick-borne or mosquito-borne encephalitis.

2025 ICD-10-CM code A80.39

Other acute paralytic poliomyelitis. This code represents a type of acute paralytic poliomyelitis not otherwise specified in the ICD-10-CM.

2025 ICD-10-CM code A84

Tick-borne viral encephalitis. Includes: tick-borne viral meningoencephalitis.

2025 ICD-10-CM code A87

Viral meningitis

2025 ICD-10-CM code A81.0

Creutzfeldt-Jakob disease (CJD)

2025 ICD-10-CM code A86

Unspecified viral encephalitis.

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