Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells within 2 hours of collection and send 2.0 mL serum in a screw capped plastic vial. Include patient history.
Alternate Specimen
Serum: Red top
Transport Temperature
Refrigerated
Rejection Criteria
Bacterially contaminated, Hemolysis, lipemic, heat-inactivated specimens, icteric, or turbid specimens
Stability
Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 1 year