G04.30
✓ Billable
Acute necrotizing hemorrhagic encephalopathy, unspecified
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G04.30
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Nervous System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code G04.30?
ICD-10-CM code G04.30 represents Acute necrotizing hemorrhagic encephalopathy, unspecified. It is a billable diagnosis code in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G04.30 billable?
Yes. G04.30 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is G04.30 in?
G04.30 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G04 category
G04
Encephalitis, myelitis and encephalomyelitis
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G04.0
Acute disseminated encephalitis and encephalomyelitis (ADEM)
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G04.1
Tropical spastic paraplegia
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G04.2
Bacterial meningoencephalitis and meningomyelitis, not elsewhere classified
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G04.3
Acute necrotizing hemorrhagic encephalopathy
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G04.8
Other encephalitis, myelitis and encephalomyelitis
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G04.9
Encephalitis, myelitis and encephalomyelitis, unspecified
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G04.00
Acute disseminated encephalitis and encephalomyelitis, unspecified
Billable
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