G04.0 - Acute disseminated encephalitis and encephalomyelitis (ADEM)

  • Applicable to Acute disseminated encephalitis and encephalomyelitis (ADEM)
  • The 2025 edition of ICD10-CM G04.0 became effective on October 1, 2024.
  • This is the American ICD10-CM version of G04.0 - other international versions of ICD10 G04.0 may differ.
  • G04.0 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • G04.0 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
  • G04.0 - Acute disseminated encephalitis and encephalomyelitis (ADEM)
    • 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

Type 1 Excludes

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

The following codes above G04.0 contain annotation back-references that may be applicable to G04.0:

Chapter: G00-G99 Diseases of the nervous system

Section: G00-G09 Inflammatory diseases of the central nervous system

Category: G04 Encephalitis, myelitis and encephalomyelitis

disseminated icd 10
 
acute icd 10
 
encephalitis icd 10
 
encephalomyelitis icd 10
 
Non-Billable/Non-Specific Code

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