82652
Vitamin D,1,25 (OH)2,Total; Vitamin D3, 1,25 (OH)2; Vitamin D2, 1,25 (OH)2
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
This test is used to measure the bio-active form of Vitamin D. This test is also used in the differential diagnosis of hypocalcemia and to monitor patients with renal osteodystrophy or chronic renal failure.