CPT® Code 78456

Acute venous thrombosis imaging is a diagnostic procedure that utilizes scintigraphy in conjunction with a radiolabeled, highly specific synthetic peptide to visualize and assess the presence of blood clots within the venous system. This imaging technique is particularly valuable as the synthetic peptide has a high affinity for binding to the clot, allowing for detailed imaging of the clot's metabolic activity. The procedure provides insights into the biomolecular behavior of various components involved in the clotting process, including the formed elements of blood and platelets. During the imaging process, the patient is carefully positioned on an imaging table, ensuring that the gamma camera is accurately aligned over the area of interest. An intravenous line is established to facilitate the injection of the radiolabeled isotope synthetic peptide directly into the patient's circulatory system. Following the injection, scanning is conducted at predetermined intervals to capture the radioactive energy emitted from the area, which is then processed and displayed as a cine loop on a computer. The physician is responsible for interpreting the results of the imaging study and subsequently providing a comprehensive written report detailing the findings, which is essential for guiding further clinical management.