Fasting prior to sample collection is recommended

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 two (2) hours of sample collection
3. Transfer serum to a False bottom plasma/serum transport vial/tube (AHL), labelled as serum
4. Freeze

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

Lt green plasma separator (PST)

Red serum vial/tube, 5 mL

Red serum vial/tube, 10 mL

Red/grey serum separator (SST) vial/tube, 10 mL

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times to prevent clotting

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

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

Frozen (preferred) - 6 months

Refrigerated - 48 hours

Ambient - 8 hours

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

Sandwich Chemiluminescence Immunoassay (CLIA)

PTH Intact: 14.5 - 87.1 pg/mL

Calcium:       8.5 - 10.5 mg/dL