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Vitamin D, 1,25-Dihydroxy

Mnemonic:    [VIT D 1,25]
Name:    Vitamin D, 1,25-Dihydroxy
Specimen:    2 mL serum from a Red SST or Red top tube.
EDTA plasma is also acceptable.
Minimum Spec:    1 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable 7 days refrigerated.
Ref Lab/Code:    ARUP 0080385
  Method:    Radioimmunoassay
Note:    Interpretive Data:
--This test is primarily indicated during patient evaluation for hypercalcemia and renal failure. A normal result does not rule out Vitamin D deficiency.
--The recommended test for diagnosing Vitamin D deficiency is Vitamin D 25-Hydroxy (VIT D25)