COLLECTION

SST (Serum Separator)  PREFERRED
Light Green (Heparin Plasma Separator Tube)  PREFERRED

Red (No Additive)
Green No Gel (Lithium Heparin)

Collection Information: 

Collect blood in a serum separator tube or light green lithium heparin separator tube.

Sample Volume Requirements: 

Centrifuge and aliquot 1.0 mL serum or plasma into a plastic transport vial. Send frozen.

Minimum Sample Volume: 

0.75 mL of serum (approximately 1.25 mL of whole blood based upon a normal patient hematocrit)

Unacceptable Conditions: 

Hemolysis

Remarks: 

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.