A80-A89
Viral and prion infections of the central nervous system
Viral and prion infections of the central nervous system (A80-A89) is a block within ICD-10-CM Chapter 1: Certain infectious and parasitic diseases. It holds 10 categories.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- postpolio syndrome (G14)
- sequelae of poliomyelitis (B91)
- sequelae of viral encephalitis (B94.1)
Categories in A80-A89
- A80Acute poliomyelitiscategory
- A81Atypical virus infections of central nervous systemcategory
- A82Rabiescategory
- A83Mosquito-borne viral encephalitiscategory
- A84Tick-borne viral encephalitiscategory
- A85Other viral encephalitis, not elsewhere classifiedcategory
- A86Unspecified viral encephalitis
- A87Viral meningitiscategory
- A88Oth viral infections of central nervous system, NECcategory
- A89Unspecified viral infection of central nervous system
Source
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.