CPT® Code 78350

A bone density (bone mineral content) study is a diagnostic procedure that assesses the density of bones using a technique known as single photon absorptiometry. This method employs a radiolabeled isotope tracer, which is a radioactive substance that helps visualize bone mineral content. The primary purpose of this study is to identify suspected osteoporosis, a condition characterized by weakened bones that are more susceptible to fractures. Additionally, it is utilized to evaluate the progression of osteoporosis and the effectiveness of ongoing treatment regimens. During the procedure, an intravenous line is established to facilitate the injection of the radiolabeled isotope tracer directly into the patient's circulatory system. After allowing a specific period for the tracer to circulate, the patient is positioned on an imaging table, and a gamma camera is placed over the targeted area of the body. The scanning process occurs at predetermined intervals, capturing the radioactive energy emitted from the bones, which is then converted into detailed images. The isotope most commonly used for single photon absorptiometry is I-125, which is particularly effective in measuring the radial shaft and cortical bone. Additionally, the distal end of the radius or the calcaneus, areas rich in trabecular bone, can also be evaluated using this isotope. In contrast, dual photon absorptiometry, which is a different technique, typically utilizes gadolinium-153 to assess one or more regions of the central skeleton, such as the hip and spine. Following the completion of the study, the physician interprets the results and generates a comprehensive written report detailing the findings of the bone density assessment.