Current
A86 — Unspecified viral encephalitis
Part of Chapter 1: Certain infectious and parasitic diseases , block Viral and prion infections of the central nervous system (A80-A89) .
Official Notes
Inclusion Terms
Viral encephalomyelitis NOS
Inclusion Terms
Viral meningoencephalitis NOS
Child Codes
A86 has no child codes in the FY 2027 release -- it is used on its own.
Referenced By
Official notes on these codes cite A86.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS