Lt green plasma separator (PST)

Gold serum separator (SST) tube

Red serum vial/tube, 5 mL

• Draw 1/2 hour prior to next dose
• Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times 

Green/Gold:

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

Lt green plasma separator (PST)/Gold serum separator (SST) tube

Lt green plasma separator (PST)

Gold serum separator (SST) tube

Red:

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

• Date and time of last dose 

Refrigerated (preferred) - 14 days

Ambient - 2 days

Frozen - 12 months

Allina performed internal stability studies on the Roche platform and validated gel tubes acceptable for testing.

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

Kinetic interaction of microparticles in a solution (KIMS)

> 25 µg/mL