B94.1 Sequelae of viral encephalitis

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 139.0 Late effects of viral encephalitis

Code annotations containing back-references to B94.1

Back-references to B94

• Type 1 Excludes: Z86.1 Personal history of infectious and parasitic diseases ("sequelae of infectious and parasitic diseases (B90-B94)")

Diagnosis Index entries for B94.1

• Sequelae (of) › encephalitis or encephalomyelitis (conditions in G04) › viral
• Sequelae (of) › viral › encephalitis

Nearby codes

• B94 Sequelae of other and unspecified infectious and parasitic diseases
• B94.0 Sequelae of trachoma
• B94.1 Sequelae of viral encephalitis (this code)
• B94.2 Sequelae of viral hepatitis
• B94.8 Sequelae of other specified infectious and parasitic diseases
• B94.9 Sequelae of unspecified infectious and parasitic disease