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G04.0 Acute disseminated encephalitis and encephalomyelitis (ADEM)

Non-Billable/Non-Specific

Type 1 Excludes

  • acute necrotizing hemorrhagic encephalopathy (G04.3-)
  • other noninfectious acute disseminated encephalomyelitis (noninfectious ADEM) (G04.81)

Codes

  • G04.00Acute disseminated encephalitis and encephalomyelitis, unspecified
  • G04.01Postinfectious acute disseminated encephalitis and encephalomyelitis (postinfectious ADEM)
  • G04.02Postimmunization acute disseminated encephalitis, myelitis and encephalomyelitis