CPT® Code 75635

Computed tomographic angiography, abdominal aorta and bilateral iliofemoral lower extremity runoff, with contrast material(s), including noncontrast images, if performed, and image postprocessing

A computed tomographic angiography (CTA) of the abdominal aorta and bilateral iliofemoral lower extremity runoff is a specialized imaging procedure that utilizes advanced technology to visualize the blood vessels in these areas. This procedure involves the use of contrast material, which enhances the visibility of the blood vessels during imaging. The process begins with the patient being positioned on a CT table, where an intravenous line is typically inserted into a blood vessel, often in the arm or hand. This line is essential for administering the contrast material, which is injected to provide clearer images of the vascular structures. In some cases, non-contrast images may also be obtained prior to the injection of the contrast to provide baseline data. The CTA employs a combination of computed tomography and angiography techniques, allowing for the acquisition of multiple images that are subsequently processed by a computer. This processing creates detailed, three-dimensional cross-sectional views of the abdominal aorta and the iliofemoral arteries, which are crucial for diagnosing various vascular conditions. The procedure is designed to be efficient, with the CT table moving through the scanning machine as the contrast is injected at a controlled rate. Once the imaging is complete, a radiologist reviews and interprets the resulting images, providing valuable insights into the vascular health of the patient. This comprehensive approach ensures that any abnormalities or issues within the blood vessels can be accurately identified and assessed.