All
 E04 Surgical Procedures, Operative D013514 +
 E04.100 Cardiovascular Surgical Procedures D013504 +
 E04.100.376 Cardiac Surgical Procedures D006348 +
 E04.100.376.719 Myocardial Revascularization D009204 +
 E04.100.376.719.332 Coronary Artery Bypass D001026 +
 E04.100.376.719.332.400 Internal Mammary-Coronary Artery Anastomosis D007387