ICD-10-CM Book 2025 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 6 G00-G99 Diseases of the nervous system /
G00-G09 Inflammatory diseases of the central nervous system /
G04 Encephalitis, myelitis and encephalomyelitis

  Billable ICD-10-CM Code G04.01
G04.01
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
excludes1
post chickenpox encephalitis (B01.1)
post measles encephalitis (B05.0)
post measles myelitis (B05.1)