G04
Encephalitis, myelitis and encephalomyelitis
Non-billableCategory
Coding Guidelines
Includes
- acute ascending myelitis
- meningoencephalitis
- meningomyelitis
Excludes1 (Mutually Exclusive)
These codes should never be used together with G04
- G93.40 - encephalopathy NOS (G93.40)
Excludes2 (Not Included Here)
These conditions are not part of this code but may be reported additionally if documented
Specific Codes (6)
G04.0Category
Acute disseminated encephalitis and encephalomyelitis (ADEM)
G04.1Billable
Tropical spastic paraplegia
G04.2Billable
Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
G04.3Category
Acute necrotizing hemorrhagic encephalopathy
G04.8Category
Other encephalitis, myelitis and encephalomyelitis
G04.9Category
Encephalitis, myelitis and encephalomyelitis, unspecified


