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)
Non-Billable/Non-Specific Code
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
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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