Patient Preparation
Sample needs to be collected either before treatment with interferon or more than 24 hours
following the most recent does. Patient should not be on steroid therapy for at least two weeks
prior to testing.
Collect
Serum separator tube (SST)
Specimen Preparation
Centrifuge, separate serum from cells and send 2.0 mL serum in screw capped plastic vial.
Please label each specimen tube with two forms of patient identification. These forms of
identification must also appear on the test requisition form.
Alternate Specimen
No alternate specimens.
Transport Temperature
Refrigerated
Stability
Room temperature: 72 hours
Refrigerated: 28 days
Frozen: 6 months
