CPT® Code 78350

1. Indications

The bone density (bone mineral content) study using single photon absorptiometry is indicated for the following conditions:

• Suspected Osteoporosis - This study is performed when there is a clinical suspicion of osteoporosis, a condition that leads to decreased bone density and increased fracture risk.
• Evaluation of Disease Progression - It is utilized to monitor the progression of osteoporosis in patients who have already been diagnosed with the condition.
• Assessment of Treatment Effectiveness - The procedure helps evaluate how well a treatment regimen is working for patients undergoing therapy for osteoporosis.

2. Procedure

The procedure for conducting a bone density study using single photon absorptiometry involves several key steps:

• Establishment of Intravenous Access - An intravenous line is established to allow for the administration of the radiolabeled isotope tracer. This step is crucial as it ensures that the tracer can be injected directly into the patient's circulatory system.
• Injection of Radiolabeled Isotope Tracer - The radiolabeled isotope tracer, typically I-125, is injected through the intravenous line. This tracer is essential for the imaging process as it emits radioactive energy that will be measured during the scan.
• Waiting Period - After the injection, a prescribed waiting period is observed to allow the tracer to circulate throughout the body and localize in the bones. This period is important for obtaining accurate measurements during the imaging phase.
• Patient Positioning - Once the waiting period is complete, the patient is positioned on the imaging table. The gamma camera is then placed over the specific area of the body that is to be studied, such as the radial shaft or calcaneus.
• Scanning Process - The scanning is performed at specific intervals, during which the gamma camera detects the radioactive energy emitted from the bones. This energy is then converted into images that reflect the bone mineral content.

3. Post-Procedure

After the completion of the bone density study, the physician will interpret the images obtained during the scanning process. A written report detailing the findings of the study is generated, which includes an assessment of the bone mineral content and any indications of osteoporosis or other abnormalities. Patients may be advised on follow-up appointments or additional testing based on the results of the study. There are typically no specific post-procedure care requirements, and patients can resume their normal activities immediately following the examination.