Phosphorus (as inorganic phosphate) is vital to bone growth and energy storage, among other things. A serum phosphate test is used to measure the level of phosphate in the blood.
Disclaimer: Laboratory test results are NOT to be interpreted as a "stand-alone" item. Test results have to be interpreted after correlating with suitable clinical findings and additional supplemental information/tests. The meaning of your tests results will be explained by your healthcare providers, based on additional information you provide them.