I49.5 is the ICD-10 code for Sick sinus syndrome. It is a four-character subcategory of I49 (Other cardiac arrhythmias), the most specific level in the WHO edition. It belongs to the block I30–I52 (Other forms of heart disease) in Chapter IX, Diseases of the circulatory system.
- Code type
- Subcategory (4 characters)
- Chapter
- IX · I00–I99
- Classification
- WHO ICD-10, 2019 version
What I49.5 includes
Conditions and terms that are coded here.
- Tachycardia-bradycardia syndrome
I49.5 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
I49.5Sick sinus syndrome
- I49.5ASinus arrest
- I49.5BSick sinus syndrome
- I49.5CBrady-takysyndrom
I49.5Syk-sinus-syndrom
DI495Syg sinusknude-syndrom
- DI495BTakykardi-bradykardi syndrom
I49.5Sairaan sinuksen oireyhtymä
I49.5Sick-Sinus-Syndrom
I49.5Syndrome de dysfonctionnement sinusal
I49.5sicksinus syndrome
I49.5Sick sinus syndrome
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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