Do not open and do not spin
Grey Sodium flouride (NaFl)
Lavender/Dk green:
Immediatley following collection, mix sample by inverting 8 - 10 times to prevent clotting.
Gold:
Immediately following collection, thoroughly mix sample by gently inverting 5 times
Gold:
1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection
Red:
Whole blood:
Dk green heparin (Li or Na), no gel
Serum:
Gold serum separator (SST) tube
False bottom plasma/serum transport vial/tube (AHL)
Refrigerated (preferred) - 30 days
Ambient - 7 days
Frozen - 6 months
High-Performance Liquid Chromatography (HPLC)
Negative