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G04.0

Non-Billable (Header)

Acute disseminated encephalitis and encephalomyelitis (ADEM)

Excludes 1 — Do NOT code together

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

Child 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

Code Hierarchy

└G04Encephalitis, myelitis and encephalomyelitis└G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)
└G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)

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