CPT® Code 75658

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The procedure described by CPT® Code 75658 refers to angiography of the brachial artery, which is a significant blood vessel located in the upper arm. This procedure involves the use of a radiopaque contrast medium and fluoroscopy to visualize the brachial artery, which is crucial for supplying blood to the arm and hand. The brachial artery extends from the axillary artery and is essential for proper blood circulation in the upper extremity. Angiography is typically indicated for patients who may have conditions such as stenosis, which is a narrowing of the artery, or other issues like injury or blockage that could impede blood flow to the arm. During the procedure, a small incision is made in the inner arm at the elbow crease to access the brachial artery. A fine gauge puncture needle is used to access the artery in a retrograde manner, meaning that the catheter is inserted in the opposite direction of blood flow. Fluoroscopic guidance is employed to ensure accurate placement of the catheter, which is threaded over a guidewire into the desired location within the artery. Once positioned, a high-pressure injection of radiopaque contrast medium is administered, allowing for detailed x-ray imaging of the brachial artery. This imaging helps in diagnosing any abnormalities or conditions affecting the artery. After the imaging is completed, the catheter is removed, and the incision is closed. The code 75658 encompasses the radiologist's role in supervising the procedure, interpreting the findings, and providing a comprehensive written report of the results.