G45.9 is the ICD-10 code for Transient cerebral ischaemic attack, unspecified. 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 G45.9 includes
Conditions and terms that are coded here.
- Spasm of cerebral artery
- Transient cerebral ischaemia NOS
G45.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
G45.9Uspesifisert forbigående cerebralt iskemisk anfall
DG459Transitorisk anfald af cerebral iskæmi UNS
- DG459ASpasme i cerebral arterie
G45.9Määrittämätön ohimenevä aivoverenkiertohäiriö
G45.9Zerebrale transitorische Ischämie, nicht näher bezeichnet
G45.9Accident ischémique cérébral transitoire, sans précision
G45.9'transient (cerebral) ischaemic attack' [TIA], niet-gespecificeerd
G45.9Transient cerebral ischemic attack, unspecified
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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