CPT® Code 93590

The procedure described by CPT® Code 93590 involves the percutaneous transcatheter closure of a paravalvular leak (PVL) specifically at the mitral valve using an initial occlusion device. A paravalvular leak refers to a situation where there is an abnormal flow of blood around a prosthetic heart valve, which can occur when the seal between the prosthetic valve and the surrounding native tissue fails. This condition can lead to serious complications such as endocarditis, hemolytic anemia, and heart failure, necessitating intervention. The procedure is performed by inserting a vascular catheter through the femoral artery, which is then navigated to the heart. Depending on the approach—antegrade or retrograde—the catheter is maneuvered to access the mitral valve, allowing for the deployment of an occlusion device to effectively seal the leak. This minimally invasive technique is crucial for patients with PVLs, as it aims to restore proper hemodynamics and prevent further complications associated with the leak.