Specimen Required

Patient Preparation: Specimen should be collected either before treatment with interferon or more than 24 hours following the most recent dose. Patient should not be on steroid therapy for at least two weeks prior to testing.

Collection Container/Tube: Red top or serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 2 mL serum

Collection Instructions:

1. Within 48 hours of collection, centrifuge and aliquot 2 mL of serum into a plastic vial.

2. Send refrigerate.