One 5 mL gold (SST) top tube.

Also acceptable: Foil wrapped transport tube protected from light.

2 mL serum refrigerated (Min: 0.7 mL).

* Collection Instructions *

• PROTECTED FROM LIGHT.
• Separate from cells as soon as possible after clotting.
• Send serum in an amber tube.
• If an amber tube is not available, wrap tube in aluminum foil to protect from light.

Patient Preparation: Overnight fasting is required.

Ambient: 24 hours

Refrigerated: 7 days

Frozen: 28 days

• Grossly hemolyzed
• Heavily lipemic sera
• Received in serum separator tube or red-top tube (no gel) collection tube
• Received room temperature
• Not protected from light
• Plasma