|Specimen: ||1 mL serum from a Red SST or Red top tube. Separate serum from cells ASAP. Patient should be fasting for 10 hours prior to collection of specimen.|
Specimen Preparation: Allow specimen to sit in collection tube for 15-20 minutes at room temperature for proper clot formation. Centrifuge and separate serum from cells ASAP or within 2 hours of collection
Plasma is unacceptable. Severely hemolyzed or lipemic samples are unacceptable.