Gold serum separator (SST) tube

Immediatley following collection, mix sample by inverting 5 times

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

Gold serum separator (SST) tube

Red serum vial/tube, 5 mL

Red serum vial/tube, 10 mL

Red/Grey marble top serum separator (SST) vial/tube, 8.5 mL

Red/Grey marble top:

Immediatley following collection, mix sample by inverting 5 times

Red/Grey marble top:

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

Red/Grey marble top serum separator (SST) tube

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

Refrigerated (preferred) - 5 days

Frozen - 6 months

• 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)

Chemiluminescent Microparticle Immunoassay (CMIA)

Total PSA: < 4.0 ng/mL

Provider must specify Diagnostic. If not, order Prostatic Specific Antigen, Screen (1102).

In patients with total PSA concentrations between 4.0 and 10.0 ng/mL, the Prostate Health Index (PHI), serum, may aid in distinguishing prostate cancer from benign prostate conditions.

Medical necessity