Is G04.3 a billable code?
No. G04.3 is a header code that groups 4 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
G04.3: Acute necrotizing hemorrhagic encephalopathy
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
G04.3 groups related diagnoses under acute necrotizing hemorrhagic encephalopathy. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under G04.3
- G04.30Acute necrotizing hemorrhagic encephalopathy, unspecified
- G04.31Postinfectious acute necrotizing hemorrhagic encephalopathy
- G04.32Postimmunization acute necrotizing hemorrhagic encephalopathy
- G04.39Other acute necrotizing hemorrhagic encephalopathy
Other codes in G04 Encephalitis, myelitis and encephalomyelitis
- G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)header
- G04.1Tropical spastic paraplegia
- G04.2Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
- G04.8Other encephalitis, myelitis and encephalomyelitisheader
- G04.9Encephalitis, myelitis and encephalomyelitis, unspecifiedheader
G04.3 questions
What does G04.3 mean?
G04.3 is the ICD-10-CM code for Acute necrotizing hemorrhagic encephalopathy. It is in chapter 6, Diseases of the nervous system (G00-G99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.