G45.4

Billable

Transient global amnesia

G45.4 is the ICD-10-CM code for Transient global amnesia. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G45
Edition
FY2026

G00-G99 Diseases of the nervous system

Excludes1 — not coded here

Frequently asked questions

What is ICD-10 code G45.4?
G45.4 is the ICD-10-CM code for "Transient global amnesia". It falls under G00-G99 Diseases of the nervous system.
Is G45.4 a billable code?
Yes — G45.4 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from G45.4?
Excludes1 (not coded here): amnesia NOS (R41.3).

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

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