Specimen Requirements: 1 yellow-top SST tube (minimum: 1.0 mL of serum). The morning specimen should be drawn between 7-9 AM. The afternoon specimen should be drawn between 3-5 PM. Centrifuge SST 30 minutes after draw. Refrigerate specimen after collection.
NOTE: Label time collected on specimen tube.
Analytical Time: 3 days
Days Set Up: Varies