G04

Non-Billable

Encephalitis, myelitis and encephalomyelitis

G04 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

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