ICD-10-CM · Chapter 1 · A00–B99
A81.8
Other atypical virus infections of central nervous system
Certain infectious and parasitic diseases
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- A81.8
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 1 — Certain infectious and parasitic diseases
- Category
- A81 — Atypical virus infections of central nervous system
- Specificity
- 4 characters
How coders use this code
ICD-10-CM A81.8 is a category (header) for other atypical virus infections of central nervous system. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in A81
- 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
- A81.81Kuru
- 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
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