G04 - Encephalitis, myelitis and encephalomyelitis
Includes:
-acute ascending myelitis
-meningoencephalitis
-meningomyelitis
Excludes 1:
-encephalopathy NOS G93.40)
Excludes 2:
-acute transverse myelitis G37.3-)
-alcoholic encephalopathy G31.2)
-benign myalgic encephalomyelitis G93.3)
-multiple sclerosis (G35)
-subacute necrotizing myelitis G37.4)
-toxic encephalitis (G92)
-toxic encephalopathy (G92)
G04.0 - Acute disseminated encephalitis and encephalomyelitis (ADEM)
G04.00 - Acute disseminated encephalitis and encephalomyelitis, unspecified
G04.01 - Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
G04.02 - Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis
G04.1 - Tropical spastic paraplegia
G04.2 - Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
G04.3 - Acute necrotizing hemorrhagic encephalopathy
G04.30 - Acute necrotizing hemorrhagic encephalopathy, unspecified
G04.31 - Postinfectious acute necrotizing hemorrhagic encephalopathy
G04.32 - Postimmunization acute necrotizing hemorrhagic encephalopathy
G04.39 - Other acute necrotizing hemorrhagic encephalopathy
G04.8 - Other encephalitis, myelitis and encephalomyelitis
G04.81 - Other encephalitis and encephalomyelitis
G04.89 - Other myelitis
G04.9 - Encephalitis, myelitis and encephalomyelitis, unspecified
G04.90 - Encephalitis and encephalomyelitis, unspecified
G04.91 - Myelitis, unspecified