CPT® Code 73542

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The CPT® Code 73542 refers to a specific radiological examination known as sacroiliac joint arthrography. This procedure involves the injection of a contrast material, often referred to as a special dye, into the sacroiliac joint, which is the joint located between the sacrum (the triangular bone at the base of the spine) and the pelvis. The purpose of this injection is to enhance the visibility of the joint structures during imaging studies, particularly X-rays. By using this contrast agent, the physician can obtain clearer and more detailed images of the joint, which aids in the diagnosis of various conditions affecting the sacroiliac joint. Following the injection, the physician is responsible for the radiological supervision and interpretation of the resulting images, allowing for an accurate assessment of any abnormalities or issues present within the joint. This procedure is particularly useful in evaluating pain or dysfunction in the lower back and pelvic region, providing critical information for further management and treatment decisions.