JC Virus Antibody (with Index) with Reflex to Inhibition Assay


Sunquest Code:JCVINX  
Epic Code:LAB6920Epic Name:JC Virus Ab Index Reflex Inhibition
Synonyms:JC Polyoma Virus; Stratify JCV Antibody; Index
Methodology:Immunoassay
CPT Code:86711, 86790
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 14 days.
Special Instructions:If the JCV Antibody result is indeterminate, stratified JCV Antibody Inhibition Assay will be performed.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.7 mL
Container:Purple (EDTA) (Red (no gel), Red or gold (gel))
Causes for Rejection:Hemolysis


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 0.5 mL, 0.25 mL minimum serum or plasma. Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (Quest)
Referral Lab number:91665


Interpretive

Reference Range:

Negative

 

Index Interpretive Criteria

<0.20

Negative

0.20-0.40

Indeterminate

>0.40

Positive

 

 

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.


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