Lt green plasma separator (PST)

Immediately follow collection, mix sample by inverting 8 - 10 times to prevent clotting

Spin within two (2) hours of sample collection

Lt green plasma separator (PST)

Gold serum separator (SST) tube

Red serum vial/tube, 5 mL

Immediatley following collection, mix sample by 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:

1. Allow sample to clot
2. Spin
3. Transfer serum to a False bottom plasma/serum transport vial/tube (AHL), labelled as serum, within two (2) hours of sample collection

Gold serum separator (SST) tube

False bottom plasma/serum transport vial/tube (AHL)

Refrigerated (preferred) - 7 days

Ambient - 5 days

Frozen - 30 days

• Improper labels (unlabeled or mislabeled)
• Hemolysis
• Improper anticoagulant or ratio
• Delay in transport
• Improper storage temperature affecting results
• Improper container
• Leaking container resulting in compromised specimen
• Quantity not sufficient (QNS)

Electrochemiluminescence immunoassay (ECLIA)

0.93 - 1.70 ng/dL

Medical necessity