A5 week-old infant shows signs of fatigue after eating and has poor weight gain. he is suspected to have a congenital heart defect. the neonatologist ordered a transthoracic echocardiogram (tte). tte is showing a shunt between the right and left ventricles. the neonatologist read and interpreted the study and indicated the patient has a ventricular septal defect (vsd). what are the cpt® and icd-10-cm codes for the tte read?