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Unroofing of coronary sinus

Date: Dec 15, 2020

Question:

We have a patient with pulmonary atresia with intact ventricular septum, RV dependent coronary circulation, and coronary sinus ostial atresia with drainage into the left superior vena cava. Our MD ligated the left superior vena cava and unroofed the coronary sinus. What CPT code would you recommend for the coronary sinus unroofing? Repair of blood vessel code 35211 or unlisted?

Question ID : 14795
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