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Test Code JCVAB / 91665-Q STRATIFY JCV W/INDEX W/REFLEX

Additional Codes

Software Test Code
Label Text                                JCVAB
EPIC LAB20247                              
Quest Laboratories 91665

Performing Laboratory

Quest Diagnostics

Method Name

Immunoassay (IA)

Reference Values

Negative

< 0.20 : Negative

0.20 - 0.40 : Indeterminate

> 0.40 : Positive

If index value is between 0.19 and 0.41 (not inclusive), JC Virus Antibody Inhibition Assay will be performed at an additional charge.

Days and Times Test Performed

Tuesday through Saturday

Report Available

2-5 Days

Specimen Type

Serum

Preferred Container

Serum Separator Tube (SST)

Preferred Volume

Serum: 1 mL (Serum Separator Tube (SST))

Minimum Volume

Serum: 0.5 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send at room temperature in a screw-capped, plastic vial.

Specimen Stability Information

Specimen Type: Serum

Frozen: 90 Days

Refrigerated: 14 Days

Room Temp: 7 Days

Add On Capable

Contact Reference Lab – If add-on can never be done, report the test to the Administrative Analyst

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer
86711 JC (John Cunningham) Virus  

Performing Laboratory Location

Quest Diagnostics

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.

Acceptable Alternative Container(s)

Red Top Tube

Keywords

JC Polyomavirus Ab