Encephalitis, myelitis and encephalomyelitis - G04

 Category Includes

  • acute ascending myelitis
  • meningoencephalitis
  • meningomyelitis

 Type 1 Excludes

  • encephalopathy NOS (G93.40)

 Type 2 Excludes

  • acute 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)

 Codes

  • 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
  • G04.82 - Acute flaccid myelitis
  • G04.89 - Other myelitis
  • G04.9 - Encephalitis, myelitis and encephalomyelitis, unspecified
  • G04.90 - Encephalitis and encephalomyelitis, unspecified
  • G04.91 - Myelitis, unspecified