World Health Organization · 2026-01 · English
LA86.1 Unroofed coronary sinus
Official WHO ICD-11 MMS tabulation. This international classification is separate from US ICD-10-CM. For complete instructions and postcoordination, consult the WHO browser.
Coding notes · WHO
If an interatrial communication is present through the coronary sinus orifice code also interatrial communication through coronary sinus orifice. If a left superior caval vein (superior vena cava) is present code also left superior caval vein (superior vena cava) to left-sided atrium.
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