Specimen Requirements

Patient Preparation: 12 hours before this test do not take multivitamins or dietary supplements containing biotin or vitamin B7, which are commonly found in hair, skin, and nail supplements and multivitamins. Patient should fast 8 hours prior to collection.

Container/Tube Type: 

Serum
Heparinized Plasma

Preferred Collection Container: 

SST (Serum Separator)

Also Acceptable Collection Container: 

Red (No Additive)
Green (Lithium Heparin)
Plasma Separator Tube

Collection Information: 

Collect blood in a serum separator tube.

Transport Information: 

1.0 mL serum frozen in plastic vial.