One 5 mL dark green (sodium heparin) top tube.

Transfer 0.5 mL plasma (Min: 0.3 mL)

* Collection Instructions *

• Sodium heparin tubes: Centrifuge the specimen as soon as possible.
• Transfer the plasma to a transport tube.
• Mark the specimen as plasma on the transport tube.
• Do not submit unspun tubes.

Ambient: 7 days

Refrigerated: 7 days

Frozen: 28 days

Whole blood