Collect
Serum separator tube (SST)
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Send 1.0 mL serum in plastic
screw capped plastic vial. CRITICAL FROZEN
Separate specimens must be submitted when multiple tests ordered.
Alternate Specimen
Red top
Transport Temperature
CRITICAL FROZEN
Rejection Criteria
Refrigerated specimens. Contaminated or heat-inactivated specimens.
Stability
Room temperature: 30 minutes
Refrigerated: Unacceptable
Frozen: 1 year