Vitamin D, 25-OH
2-8 C (ice packs)
store at 2-8 C up to 12 days, -20C up to 3 months
Plasma (lithium heparin, sodium heparin)
Delayed 1-step Immunoassay using CMIA (Chemiluminescent Microparticle Immunoassay)
Vitamin D deficiency is a cause of secondary hyperparathyroidism and diseases resulting in impaired bone metabolism (like rickets, osteoporosis, osteomalacia). Reduced 25-OH vit D in blood have been associated with an increasing risk of many chronic disease, including common cancers, autoimmune and infectious diseases, or cardiovascular problems.
25-OH Vitamin D