Mayo Clinic
Rochester, MN

Dr. Singh is currently Director of the Endocrinology Laboratory at the Mayo Clinic. His area of expertise is application of liquid chromatography tandem mass spectrometric (LC-MS/MS) to clinical laboratory analysis. He has published work on originally developed LC-MS/MS methods including such analytes as cortisol, synthetic corticosteroids, metanephrines, estradiol, vitamin D, and urine albumin among others. The Endocrinology Laboratory is currently performing 3500 tests a day for determining vitamin D deficiency using online extraction and LC-MS/MS methods.