G45.4Billable
Transient global amnesia
- Chapter
- 6. Diseases of the nervous system
- Category
- G45
- Effective date
- October 1, 2026
Related codes in category G45
G45Transient cerebral ischemic attacks and related syndromesG45.0Vertebro-basilar artery syndromeYesG45.1Carotid artery syndrome (hemispheric)YesG45.2Multiple and bilateral precerebral artery syndromesYesG45.3Amaurosis fugaxYesG45.8Oth transient cerebral ischemic attacks and related syndYesG45.9Transient cerebral ischemic attack, unspecifiedYes
Frequently asked questions
What is ICD-10 code G45.4?
G45.4 is an ICD-10-CM diagnosis code for Transient global amnesia.
Is G45.4 a billable code?
Yes. G45.4 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is G45.4 in?
G45.4 falls under Chapter 6: Diseases of the nervous system.
When did G45.4 become effective?
G45.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to G45.4?
G45.4 belongs to category G45, which includes 7 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.