One 5 mL gold (SST) top tube. Protect From Light.

2 mL frozen serum (Min: 1 mL).

* Collection Instructions *

• Allow sample to clot for 30 minutes, spin at 3000 rpm for 10 minutes and transfer serum to a plastic amber vial.
• If amber vial is not available, wrap tube in aluminum foil to protect from light.
• Freeze within 30 minutes and send frozen.

Ambient: Unacceptable

Refrigerated: 7 days

Frozen: 14 days

• Gross hemolysis
• Lipemia
• Received room temperature
• Not protected from light
• Samples other than serum