CPT® Code 75978

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The CPT® Code 75978 refers to the procedure of transluminal balloon angioplasty performed on a vein, specifically for conditions such as subclavian stenosis. This procedure involves the use of a balloon catheter to open up narrowed or obstructed veins, thereby improving blood flow. The term "transluminal" indicates that the procedure is performed within the lumen of the vein. During this intervention, radiological supervision and interpretation are crucial, as they guide the physician in navigating the anatomy and ensuring the correct placement of the catheter and balloon. The process begins with the preparation of the skin over the access vein, followed by puncturing the vein with a needle to insert a sheath. A guidewire is then introduced, allowing for the advancement of a catheter equipped with a balloon tip to the site of the occlusion. Once in position, the balloon is inflated to compress any plaque against the vessel wall, which may require multiple inflations to achieve optimal results. After the angioplasty, a venography catheter is used to perform a completion venogram, confirming that the vein is patent. The procedure concludes with the application of pressure to the puncture site to control bleeding, and a dressing is applied. The radiological supervision and interpretation involved in this procedure are reported separately under the same code, ensuring comprehensive documentation and billing for the services rendered.