Question: A 1-year-old patient has Down syndrome, complex heart disease consisting of atrioventricular septal defect and tetralogy of Fallot with pulmonary atresia, discontinuous pulmonary arteries and bilateral superior vena cava with a left cava draining to the coronary sinus and a right aortic arch. In this procedure, the septal defect was closed and both branches of the vena cava were anastomosed to the pulmonary artery. Select the appropriate CPT and ICD-10-CM codes.