Encephalitis, myelitis and encephalomyelitis Includes:acute ascending myelitismeningoencephalitismeningomyelitisExcludes1encephalopathy NOS (G93.40)Excludes2acute 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)