G45.4 is the ICD-10 code for Transient global amnesia. It is a four-character subcategory of G45 (Transient cerebral ischaemic attacks and related syndromes), the most specific level in the WHO edition. It belongs to the block G40–G47 (Episodic and paroxysmal disorders) in Chapter VI, Diseases of the nervous system.
- Code type
- Subcategory (4 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
What G45.4 excludes
Conditions that look similar but belong under another code.
- amnesia NOS R41.3
G45.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
G45.4Forbigående global amnesi
DG454Global forbigående amnesi
G45.4Ohimenevä täydellinen muistamattomuus
G45.4Transiente globale Amnesie [amnestische Episode]
G45.4Amnésie globale transitoire
G45.4transient global amnesia
G45.4Transient global amnesia
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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