Gold serum separator (SST) tube
Immediately following collection, mix sample by gently inverting 5 times
Red serum vial/tube - 5 mL
Red/grey serum separator (SST) vial/tube, 10 mL
False bottom plasma/serum transport vial/tube (AHL)
Refrigerated (preferred) - 7 days
Frozen (OK) - 3 months
Turbidimetric
12.9 - 39.2 mg/dL