2007 ICD-9-CM Procedure 35.73 Other and unspecified repair of endocardial cushion defect 35.73 is a specific code that can be used to specify a procedure 35.73 contains 5 index entries View the full Volume 3 35.* hierarchy 35.73 also known as: Repair NOS: atrioventricular canal ostium primum defect valvular defect associated with atrial and ventricular septal defects 35.73 excludes: repair of isolated: atrial septal defect (35.71) valvular defect (35.20, 35.22, 35.24, 35.26, 35.28) ventricular septal defect (35.72) Index entries containing 35.73: Closure -- see also Repair endocardial cushion defect -- see also Repair, endocardial cushion defect 35.73 Repair atrioventricular canal defect (any type) 35.73 with prosthesis 35.54 tissue graft 35.63 endocardial cushion defect 35.73 with prosthesis (grafted to septa) 35.54 tissue graft 35.63 ostium primum defect 35.73 with prosthesis 35.54 tissue graft 35.63 primum ostium defect 35.73 with prosthesis 35.54 tissue graft 35.63