G04.3 (Acute necrotizing hemorrhagic encephalopathy) is an umbrella ICD-10-CM medical diagnosis code in the Diseases of the nervous system chapter. It identifies cases of acute necrotizing hemorrhagic encephalopathy for clinical documentation, billing and epidemiological tracking.

ICD-10-CM · Category

G04.3 — Acute necrotizing hemorrhagic encephalopathy

Chapter G00-G99: Diseases of the nervous system

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Sub-codes under G04.3

G04.30Acute necrotizing hemorrhagic encephalopathy, unspecifiedG04.31Postinfectious acute necrotizing hemorrhagic encephalopathyG04.32Postimmun acute necrotizing hemorrhagic encephalopathyG04.39Other acute necrotizing hemorrhagic encephalopathy

Related diagnoses

G04.0Acute disseminated encephalitis and encephalomyelitis (ADEM)G04.1Tropical spastic paraplegiaG04.2Bacterial meningoencephalitis and meningomyelitis, NECG04.8Other encephalitis, myelitis and encephalomyelitisG04.9Encephalitis, myelitis and encephalomyelitis, unspecified

Common questions about G04.3 (Acute necrotizing hemorrhagic encephalopathy)

What does ICD-10 code G04.3 mean?
G04.3 is the ICD-10-CM 2025 code for Acute necrotizing hemorrhagic encephalopathy. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.
Is G04.3 a billable diagnosis code?
G04.3 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under G04.3. Browse the sub-codes listed on this page.
Which ICD-10 chapter does G04.3 belong to?
G04.3 belongs to the chapter "Diseases of the nervous system" (codes G00-G99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.
Where can I get plain-language information about Acute necrotizing hemorrhagic encephalopathy?
For a plain-language explanation of Acute necrotizing hemorrhagic encephalopathy, ask GoDavaii's Health AI - it explains medical conditions in 90+ languages, free, with no signup. Tap "Ask GoDavaii AI about Acute necrotizing hemorrhagic encephalopathy" above to get a personalised answer.

Source: ICD-10-CM 2025 (Centers for Medicare & Medicaid Services, public domain). Codes valid from October 1, 2024. CMS source ↗