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80885:NABFERON (IFN-B)
Methodology:Viral cytopathis effect assay
Edit Date:6/11/2010
Performed:Tuesday, Wednesday
Released:7-14 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code:86382-90 / 87253-90
Specimen Collection Details
Collection:One 7.5 mL serum separator tube (SST).
Handling:Allow to clot, centrifuge and separate serum from cells into a plastic vial.
Standard Volume:2 mL serum.
Minimum Volume:1 mL serum.
Transport:Refrigerated.
Comments:Collect specimen 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.
Rejection Criteria:Frozen specimen.
Normal Ranges:
Normal titer <20
Mild/moderate titer 21-60
High titer >60