The Vitamin D, 25-Hydroxy test is primarily ordered to measure the amount of 25-hydroxy vitamin in the bloodstream to rule out Vitamin D deficiency.
A significant deviation from the normal range may require further evaluation by your physician.
Vitamin D, 25-Hydroxy This test is also known by the following: 25-Hydroxycalciferol 25-OH-D Cholecalciferol Metabolite Vitamin D Vitamin D3 Metabolite
Vitamin D, 25-Hydroxy is not the same as calcitriol or 1,25 dihydroxy. Calcitriol/Vitamin D, 1,25 Dihydroxy must be ordered separately. Estimated turnaround for results is 3 business days. If confirmation testing is required, the estimated time may be extended.
