G04
Non-Billable (Header)Encephalitis, myelitis and encephalomyelitis
Includes
- acute ascending myelitis
- meningoencephalitis
- meningomyelitis
Excludes 1 — Do NOT code together
- encephalopathy NOS (G93.40)
Excludes 2 — Not included here, may code separately
Child Codes
G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)
G04.1Tropical spastic paraplegia
HCC 182G04.2Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
G04.3Acute necrotizing hemorrhagic encephalopathy
G04.8Other encephalitis, myelitis and encephalomyelitis
G04.9Encephalitis, myelitis and encephalomyelitis, unspecified
Code Hierarchy
└G04Encephalitis, myelitis and encephalomyelitis
└G04Encephalitis, myelitis and encephalomyelitis