Specimen Requirements


Stratify™ JCV Antibody (with Index) with Reflex to Inhibition Assay

Specimen Requirement

Collect SST/1.0 mL serum, after 30 minutes of clotting, promptly centrifuge and send.

Alternate specimen: Collect lavender EDTA, centrifuge, transfer 1.0 mL plasma to a screw top plastic vial, indicate sample type on tube and send.


Immunoassay (IA)


Room temp: 7 days, Refrigerated: 14 days, Frozen: 90 days

Reference Range

Reference ranges are determined by the performing laboratory and will show on the report.


2-4 days Performed Monday-Saturday

Clinical Use

The JC Virus (JCV) is associated with progressive multifocal leukoencephalopathy (PML). Detection of antibodies to JCV in serum or plasma is a reliable indicator of exposure to JCV. The analytical performance characteristics were determined for multiple sclerosis patients.

Test Code