Vitamin D Testing: Is it 25-OH or 1,25-Dihydroxy?

Nam K. Tran, PhD, MS, FACB, Director of Clinical Chemistry and POCT;Dongguang Wei, MD, Pathology Resident
Introduction: Vitamin D represents a group of fat soluble sterols that help with the intestinal absorption of calcium, magnesium, phosphate, and zinc.1,2 These sterols include ergocalciferol D2, and cholecalciferol D3. Vitamin D is rapidly metabolized in the liver to form 25-hydroxy (OH) vitamin D. Further hydroxylation in the kidney under the influence of parathyroid hormone (PTH) produces 1,25-dihydroxyvitamin D. [...]

By | 2017-08-14T12:38:02+00:00 August 15, 2017|0 Comments