CPT® Code 72198

Magnetic resonance angiography (MRA) is a specialized imaging technique that focuses on visualizing the blood vessels within the pelvis. This noninvasive procedure utilizes a powerful magnetic field combined with radio wave energy to generate detailed images of vascular structures. The primary purpose of MRA is to identify and assess various vascular conditions, including narrowed or obstructed arteries, the presence of venous blood clots, and the extent of atherosclerosis, which can lead to ischemic areas. Additionally, MRA of the pelvis is instrumental in evaluating blood flow from the hips, particularly in patients experiencing claudication, a condition characterized by pain in the legs due to inadequate blood supply. During the procedure, multiple images are captured, typically ranging from 1 to 2 millimeters in thickness. These images are then processed to create maximum intensity projections (MIPs), which provide a visual representation akin to subtraction angiograms. The radiologist plays a crucial role in identifying areas of interest within the images, which are subsequently refined to yield detailed views of the blood vessels. The image processing is conducted by a technologist, while the radiologist reviews both the MIPs and the initial MRA images to compile a comprehensive written report of the findings. In some cases, an intravenous line may be established to administer contrast dye, enhancing the clarity and detail of the vascular images obtained during the procedure.