G04.3
Non-billableAcute necrotizing hemorrhagic encephalopathy
G04.3 is the ICD-10-CM code for Acute necrotizing hemorrhagic encephalopathy. It is a non-billable category code — use a more specific child code such as G04.30 for billing.
G00-G99 Diseases of the nervous system
Excludes1 — not coded here
- •acute disseminated encephalitis and encephalomyelitis (G04.0-)
Frequently asked questions
- What is ICD-10 code G04.3?
- G04.3 is the ICD-10-CM code for "Acute necrotizing hemorrhagic encephalopathy". It falls under G00-G99 Diseases of the nervous system.
- Is G04.3 a billable code?
- No — G04.3 is a non-billable header code. Use a more specific child code (such as G04.30) for billing.
- What are the subcodes of G04.3?
- G04.3 has 4 more specific child codes, including G04.30, G04.31, G04.32.
- What is excluded from G04.3?
- Excludes1 (not coded here): acute disseminated encephalitis and encephalomyelitis (G04.0-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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