CPT® Code 74175

Computed tomographic angiography, abdomen, with contrast material(s), including noncontrast images, if performed, and image postprocessing

A computed tomographic angiography (CTA) of the abdomen is a specialized imaging procedure that utilizes advanced technology to visualize the blood vessels within the abdominal region. This procedure involves the use of contrast material, which enhances the visibility of the blood vessels during imaging. The process may also include obtaining non-contrast images, which are additional images taken without the use of contrast material, if deemed necessary. The primary goal of a CTA is to provide detailed images that can help in diagnosing various vascular conditions, such as blockages, aneurysms, or other abnormalities in the blood vessels. The procedure combines the principles of computed tomography (CT) and angiography, allowing for the creation of high-resolution, three-dimensional cross-sectional views of the vascular structures. During the procedure, the patient is carefully positioned on a CT table, and an intravenous line is typically inserted into a vein in the arm or hand to facilitate the injection of the contrast material. Following the injection, a series of images are captured and processed using sophisticated computer algorithms, resulting in comprehensive visual representations of the abdominal blood vessels. The final images are then reviewed and interpreted by a radiologist, who assesses the vascular anatomy and any potential pathologies present.