A85

Other viral encephalitis, not elsewhere classified

Header / non-billable

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · A85
Includes

specified viral encephalomyelitis NEC specified viral meningoencephalitis NEC

Excludes 1

encephalitis due to cytomegalovirus (B25.8) encephalitis due to herpesvirus NEC (B10.0-) encephalitis due to herpesvirus [herpes simplex] (B00.4) encephalitis due to measles virus (B05.0) encephalitis due to mumps virus (B26.2) encephalitis due to poliomyelitis virus (A80.-) encephalitis due to zoster (B02.0) lymphocytic choriomeningitis (A87.2) myalgic encephalomyelitis (G93.32)

Inherited from A80-A89Viral and prion infections of the central nervous system
Excludes 1

postpolio syndrome (G14) sequelae of poliomyelitis (B91) sequelae of viral encephalitis (B94.1)

Inherited from chapter 1Certain infectious and parasitic diseases
Includes

diseases generally recognized as communicable or transmissible

Excludes 1

certain localized infections - see body system-related chapters

Excludes 2

carrier or suspected carrier of infectious disease (Z22.-) infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) infectious and parasitic diseases specific to the perinatal period (P35-P39) influenza and other acute respiratory infections (J00-J22)

Use additional

code to identify resistance to antimicrobial drugs (Z16.-)

Official Guidelines for A85

FY 2026 ›