G04 — ICD-10-CM Diagnosis Codes

• G04 Encephalitis, myelitis and encephalomyelitis
• G04.0 Acute disseminated encephalitis and encephalomyelitis (ADEM)
• G04.00 Acute disseminated encephalitis and encephalomyelitis, unspecified billable
• G04.01 Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM) billable
• G04.02 Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis billable
• G04.1 Tropical spastic paraplegia billable
• G04.2 Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified billable
• G04.3 Acute necrotizing hemorrhagic encephalopathy
• G04.30 Acute necrotizing hemorrhagic encephalopathy, unspecified billable
• G04.31 Postinfectious acute necrotizing hemorrhagic encephalopathy billable
• G04.32 Postimmunization acute necrotizing hemorrhagic encephalopathy billable
• G04.39 Other acute necrotizing hemorrhagic encephalopathy billable
• G04.8 Other encephalitis, myelitis and encephalomyelitis
• G04.81 Other encephalitis and encephalomyelitis billable
• G04.82 Acute flaccid myelitis billable
• G04.89 Other myelitis billable
• G04.9 Encephalitis, myelitis and encephalomyelitis, unspecified
• G04.90 Encephalitis and encephalomyelitis, unspecified billable
• G04.91 Myelitis, unspecified billable