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Vitamin B12 Binding Capacity

Mnemonic:    [Vit B12 Bind]
Name:    Vitamin B12 Binding Capacity
Specimen:    1 mL serum from a Red SST or Red top tube. Separate serum from cells ASAP. Patient Preparation: Patient should fast for 12-15 hours prior to sample collection. Vitamin B12 supplements should not be administered within 72 hours of drawing blood for this test.

Protect from light. Wrap tube in foil or send sample in an amber transport tube.
Minimum Spec:    0.1 mL
Transport Temp:    FREEZE
Spec Stability:    Stable 7 days refrigerated.
Ref Lab/Code:    ARUP 0070260
  Method:    Radioimmunoassay