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G45

Non-billable

Transient cerebral ischemic attacks and related syndromes

G45 is the ICD-10-CM code for Transient cerebral ischemic attacks and related syndromes. It is a non-billable category code — use a more specific child code such as G45.0 for billing.

Status
Header (non-billable)
Chapter
G00-G99
Subcodes
7
Edition
FY2026

G00-G99 Diseases of the nervous system

Excludes1 — not coded here

  • •neonatal cerebral ischemia (P91.0)
  • •transient retinal artery occlusion (H34.0-)

Frequently asked questions

What is ICD-10 code G45?
G45 is the ICD-10-CM code for "Transient cerebral ischemic attacks and related syndromes". It falls under G00-G99 Diseases of the nervous system.
Is G45 a billable code?
No — G45 is a non-billable header code. Use a more specific child code (such as G45.0) for billing.
What are the subcodes of G45?
G45 has 7 more specific child codes, including G45.0, G45.1, G45.2.
What is excluded from G45?
Excludes1 (not coded here): neonatal cerebral ischemia (P91.0); transient retinal artery occlusion (H34.0-).

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

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