B01.11

Varicella encephalitis and encephalomyelitis

Billable code

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 · B01.11
Synonyms

Postchickenpox encephalitis and encephalomyelitis

Inherited from B01.1Varicella encephalitis, myelitis and encephalomyelitis
Synonyms

Postchickenpox encephalitis, myelitis and encephalomyelitis

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 B01.11

FY 2026 ›