CPT® Code 33741

Transcatheter atrial septostomy (TAS) for congenital cardiac anomalies to create effective atrial flow, including all imaging guidance by the proceduralist, when performed, any method (eg, Rashkind, Sang-Park, balloon, cutting balloon, blade)

Transcatheter atrial septostomy (TAS) is a specialized medical procedure primarily performed on very young infants to address congenital heart diseases characterized by a small and restrictive atrial communication. This procedure is particularly common in cases of transposition of the great arteries, a serious condition that requires prompt intervention. TAS is typically executed as an emergent procedure shortly after birth, with the primary goal of decompressing the left atrium and enhancing the flow of blood between the atria. The procedure can be performed using various techniques, including the use of low profile balloons, static balloons, cutting balloons, or blades, depending on the specific requirements of the case. The procedure is generally conducted in a controlled environment such as a catheterization laboratory (cath lab) or an intensive care unit (ICU), where imaging guidance, such as angiography or echocardiography, is utilized to ensure precision and safety. The use of imaging is crucial for the proceduralist to navigate the complex anatomy of the heart and to monitor the effectiveness of the intervention while minimizing the risk of complications.