25-Hydroxyvitamin / D2 / D3 / 25-Hydroxycholecalciferol / 25-Hydroxyergocalciferol / 25-OH Vitamin D / Vitamin D Assay / 25HDN
Methodology:
Liquid Chromatography (LC) / Tandem Mass Spectrometry (MS/MS)
Edit Date:
11/2/2010
Performed:
Monday-Saturday
Released:
2-5 days after setup at PeaceHealth Laborabories’ reference lab
CPT Code:
82306-90
Specimen Collection Details
Collection:
One 7.5 mL serum separator tube (SST).
Handling:
Allow to clot, centrifuge and separate serum into a plastic vial.
Stability:
14 days refrigerated or 14 days frozen. Unstable ambient.
Standard Volume:
0.5 mL serum
Minimum Volume:
250 µL serum
Transport:
Refrigerated.
Comments:
Useful for diagnosis of vitamin D deficiency, differential diagnosis of causes of rickets and osteomalacia, monitoring vitamin D replacement therapy, or diagnosis of hypervitaminosis D.
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