G46

Non-billable

Vascular syndromes of brain in cerebrovascular diseases

G46 is the ICD-10-CM code for Vascular syndromes of brain in cerebrovascular diseases. It is a non-billable category code — use a more specific child code such as G46.0 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Subcodes
9
Edition
FY2026

G00-G99 Diseases of the nervous system

Code first

  • underlying cerebrovascular disease (I60-I69)

Frequently asked questions

What is ICD-10 code G46?
G46 is the ICD-10-CM code for "Vascular syndromes of brain in cerebrovascular diseases". It falls under G00-G99 Diseases of the nervous system.
Is G46 a billable code?
No — G46 is a non-billable header code. Use a more specific child code (such as G46.0) for billing.
What are the subcodes of G46?
G46 has 9 more specific child codes, including G46.0, G46.1, G46.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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