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Stratify™ JCV Antibody (with Index) with Reflex to Inhibition Assay
Test CodeSTRATJCVAB
Quest Code
91665
Alias/See Also
STRATIFY JCV(TM) Antibody (with Index) with Reflex to Inhibition Assay
CPT Codes
86711
Includes
If the Index Value is between 0.20-0.40 (inclusive), then Stratify JCV™ Antibody Inhibition Assay will be performed at an additional charge (CPT code: 86711).
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Other Acceptable Specimens
Plasma collected in: EDTA (lavender-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 90 days
Refrigerated: 14 days
Frozen: 90 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: 1-4 days
Reference Range
Negative
Clinical Significance
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.
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
