Fasting prior to specimen collection is preferred as recent food intake may appreciably increase the folate concentration, however, non-fasting specimens will be accepted.

Fasting for a blood test

Gold serum separator (SST) tube

Immediately following collection, thoroughly mix sample by gently inverting 5 times

1. Allow sample to clot for a minimum of 30 minutes
2. Spin within one (1)hour of sample collection

Gold serum separator (SST) tube

Red serum vial/tube - 5 mL

1. Allow sample to clot for a minimum of 30 minutes
2. Spin within one (1)hour of sample collection
3. Transfer serum to a labelled as serum 

   False bottom plasma/serum transport vial/tube (AHL), labelled as serum

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

• 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)

Chemiluminescent Microparticle Immunoassay (CMIA) and Chemiflex

4.6 – 34.8 ng/mL