1 yellow-top SST tube (minimum: 1.0 mL of serum) drawn following an overnight fast of 8-10 hours. Centrifuge SST 30 minutes after draw. Send specimen refrigerated in plastic vial.
NOTE: Specimen may be used if kept refrigerated and analyzed within 48 hours. If testing is delayed greater than 48 hours, freeze serum.
Analytical Time: 1 day
Days Set Up: Monday through Sunday