Category: G04 - Encephalitis, myelitis and encephalomyelitis
Chapter Notes
Encephalitis, myelitis and encephalomyelitis
acute ascending myelitis
meningoencephalitis
meningomyelitis
encephalopathy NOS (G93.40)
acute transverse myelitis (G37.3)
alcoholic encephalopathy (G31.2)
multiple sclerosis (G35)
myalgic encephalomyelitis (G93.32)
subacute necrotizing myelitis (G37.4)
toxic encephalitis (G92.8)
toxic encephalopathy (G92.8)
Acute disseminated encephalitis and encephalomyelitis (ADEM)
acute necrotizing hemorrhagic encephalopathy (G04.3-)
other noninfectious acute disseminated encephalomyelitis (noninfectious ADEM) (G04.81)
Acute disseminated encephalitis and encephalomyelitis, unspecified
Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
post chickenpox encephalitis (B01.1)
post measles encephalitis (B05.0)
post measles myelitis (B05.1)
Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
Encephalitis, post immunization
Encephalomyelitis, post immunization
Use additional code to identify the vaccine (T50.A-, T50.B-, T50.Z-)
Tropical spastic paraplegia
Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
Acute necrotizing hemorrhagic encephalopathy
acute disseminated encephalitis and encephalomyelitis (G04.0-)
Acute necrotizing hemorrhagic encephalopathy, unspecified
Postinfectious acute necrotizing hemorrhagic encephalopathy
Postimmunization acute necrotizing hemorrhagic encephalopathy
Other acute necrotizing hemorrhagic encephalopathy
Code also underlying etiology, if applicable
Other encephalitis, myelitis and encephalomyelitis
Code also any associated seizure (G40.-, R56.9)
Other encephalitis and encephalomyelitis
Noninfectious acute disseminated encephalomyelitis (noninfectious ADEM)
Acute flaccid myelitis
transverse myelitis (G37.3)
Other myelitis
Encephalitis, myelitis and encephalomyelitis, unspecified
Encephalitis and encephalomyelitis, unspecified
Ventriculitis (cerebral) NOS
Myelitis, unspecified
