Specimen Preparation
Centrifuge and separate plasma from cells within 24 hours of collection. Send 2.0 mL plasma in a screw capped plastic vial.
Alternate Specimen
Plasma: Potassium EDTA (white top), Plasma preparation tube (PPT)
Serum: Red top or Serum separator tube (SST)
Transport Temperature
Refrigerated
Rejection Criteria
Unspun PPT tubes, Unspun serum separator tube (SST), Unspun red top tube (no gel), Received
room temperature, heparinized plasma, gross hemolysis, grossly lipimic.
Stability
Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 30 days