Description
Serum phosphorus is a blood test that measures the level of phosphorus in the blood. Phosphorus is a mineral that plays a key role in the formation of bones and teeth, energy production, and the regulation of muscle and nerve function. This test helps diagnose and monitor conditions related to abnormal phosphorus levels, such as kidney disease, bone disorders, and imbalances in calcium and phosphorus metabolism. Normal serum phosphorus levels typically range from 2.5 to 4.5 mg/dL.