The patient underwent bypass surgery for life-threatening coronary artery disease. With the aid of extracorporeal circulation, the right internal mammary artery was taken down to the left anterior descending artery and saphenous vein grafts were brought from the aorta to the diagonal, the right coronary artery, and the posterior descending artery. What is the correct ICD-9-CM coding for this procedure?

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The patient underwent bypass surgery for life-threatening coronary artery disease. With the aid of extracorporeal circulation, the right internal mammary artery was taken down to the left anterior descending artery and saphenous vein grafts were brought from the aorta to the diagonal, the right coronary artery, and the posterior descending artery. What is the correct ICD-9-CM coding for this procedure?






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