Collect
Serum separator tube (SST)
Specimen Preparation
Clot specimen completely (up to 1 hour). Centrifuge, separate serum from cells within 30 minutes and send 1.0 mL serum in a plastic, sterile, screw capped vial. Separate specimen must be submitted when multiple tests are ordered. CRITICAL FROZEN.
Alternate Specimen
Red top
Transport Temperature
CRITICAL FROZEN
Rejection Criteria
Non frozen specimens. Specimens exposed to repeated freeze/thaw cycle. Grossly hemolyzed, lipemic, and icteric specimens.
Stability
Room temperature: Unacceptable
Refrigerate: Unacceptable
Frozen: 20 days