Specimen Requirements

Preferred Collection Container: 

SST (Serum Separator)
Light Green (Lithium Heparin PST)

Also Acceptable Collection Container: 

Red (No Additive)
Green (Lithium Heparin)

Collection Information: 

Collect blood in a serum separator tube or light green (PST) tube.

Transport Information: 

Centrifuge and transfer 0.5 mL of serum to a plastic transport vial. Send refrigerated.

Minimum Sample Volume: 

0.25 mL of serum (approximately 0.5 mL of whole blood based upon a normal patient hematocrit)

Unacceptable Conditions: 

Gross hemolysis