Aid in the diagnosis of primary hyperparathyroidism, hypoparathyroidism, pseudohypoparathyroidism, renal osteodystrophy, and vitamin D-resistant rickets.
Gold serum separator (SST) tube
If a tube other than gel-barrier SST tube is used, transfer separated serum or plasma to a Transfer vial/tube with cap - 12mL (LabCorp).
Ambient (preferred) - 10 days
Refrigerated - 10 days
Frozen - 10 days
Freeze/thaw cycles - stable x 3
Immunochemiluminometric assay (ICMA)
19.9 - 79.3 pg/mL
This test is not the same as Vitamin D, 25-Hydroxy (Vitamin D(3)), which must be ordered separately.