G45
⚠ Non-billable
Transient cerebral ischemic attacks and related syndromes
ICD-10-CM · FY2026 · Diseases of the Nervous System
Code
G45
System
ICD-10-CM
Billable
No — use specific code
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 G45?
ICD-10-CM code G45 represents Transient cerebral ischemic attacks and related syndromes. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Nervous System chapter, effective October 1, 2025 – September 30, 2026.
Is G45 billable?
No. G45 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is G45 in?
G45 belongs to the Diseases of the Nervous System chapter (G00–G99) of ICD-10-CM.
Related codes in the G45 category
G45.0
Vertebro-basilar artery syndrome
Billable
G45.1
Carotid artery syndrome (hemispheric)
Billable
G45.2
Multiple and bilateral precerebral artery syndromes
Billable
G45.3
Amaurosis fugax
Billable
G45.4
Transient global amnesia
Billable
G45.8
Other transient cerebral ischemic attacks and related syndromes
Billable
G45.9
Transient cerebral ischemic attack, unspecified
Billable
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