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"12-year-old male with congenital heart disease of double outlet right ventricle, ventricle septal defect, interrupted aortic arch, sub aortic stenosis, and hypoplastic ascending aorta. He is status post arch reconstruction, aortic balloon angioplasty, and balloon angioplasty of the RV-PA, pulmonary valve replacement, and pulmonary valve conduit homograft and a 2018 Melody Wave implant. A selective PA demonstrates moderate insufficiency of the Melody Wave; angiography provides severe distal Melody Wave stenosis secondary to moderate sized vegetation. Now - status post successful balloon valvuloplasty of Melody Wave." I am not finding a listed CPT code for a Melody Wave valvuloplasty. Would this be unlisted code 377999? Can I charge 93533, 93566, 93568, 93567 for this patient's cath procedures?