CPT® Code 92978

Add-On Code

Endoluminal imaging of coronary vessel or graft using intravascular ultrasound (IVUS) or optical coherence tomography (OCT) during diagnostic evaluation and/or therapeutic intervention including imaging supervision, interpretation and report; initial vessel (List separately in addition to code for primary procedure)

Endoluminal imaging of coronary vessels or grafts is a critical procedure that utilizes advanced technologies such as intravascular ultrasound (IVUS) and optical coherence tomography (OCT) to provide detailed visual assessments of the coronary arteries or bypass grafts. This imaging is performed during diagnostic evaluations or therapeutic interventions, allowing healthcare professionals to gain insights into the condition of the blood vessels from within. IVUS employs sound waves to create cross-sectional images of the vessel, revealing its structural layers, including the outer adventitia, the middle media, the inner intima, and the lumen through which blood flows. In contrast, OCT utilizes near-infrared light to generate high-resolution, three-dimensional images, offering superior detail in identifying smaller dimensions within the lumen and assessing the extent of atherosclerotic plaque buildup or the tissue response to grafting. The procedure involves the insertion of an IVUS catheter equipped with a miniaturized transducer or an OCT catheter with an optical fiber, which is guided to the area of interest over a guidewire. The physician then interprets the images produced and compiles a comprehensive report detailing the findings. This procedure is essential for accurately diagnosing and managing coronary artery disease, ensuring that appropriate therapeutic measures can be taken based on the visualized data.