CPT® Code 78320

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Bone and/or joint imaging using single-photon emission computed tomography (SPECT) is a specialized imaging technique that allows for detailed visualization of the skeletal system. This procedure is particularly useful for patients experiencing unexplained skeletal pain that may indicate underlying issues such as bone loss, infection, inflammation, or injury. Traditional imaging methods, including planar x-rays and 2-dimensional scintigraphy, may not always yield a definitive diagnosis, making SPECT a valuable alternative. The process begins with the establishment of an intravenous line, through which a radiolabeled isotope tracer is injected into the patient's circulatory system. In cases where inflammation is suspected, a blood sample is collected and processed to isolate white blood cells (WBCs), which are then tagged with radioactive calcium before being reintroduced into the patient. Following a designated waiting period to allow for adequate distribution of the tracer, the patient is positioned on an imaging table. During the imaging process, one or more gamma cameras rotate around the body, capturing data that is used to create a comprehensive 3-dimensional image of the targeted area. The resulting images are then interpreted by a physician, who compiles a written report detailing the findings of the bone and/or joint imaging study.