One 3 mL lavender (EDTA) top tube. Also acceptable: gold (SST) or white (PPT potassium EDTA) top tube.

Transfer serum frozen (Min: 1 mL).

* Collection Instructions *

• Do not freeze whole blood or any samples stored in primary tube.
• Freshly drawn specimens (whole blood) may be stored at 2-25°C for us to 24 hours prior to centrifugation.
• Separate plasma or serum from cells within 24 hours of collection by centrifugation.
• Follow manufacturer's instructions for collection tube handling.

Ambient: Unacceptable

Refrigerated: 6 days

Frozen: 84 days

Unspun whole blood samples greater than 24 hours from collection