Resources

West Nile Virus Antibody (IgM), CSF

Test Code
QNI FLEXI


Quest Code
16013


CPT Codes
86788

Preferred Specimen
1 mL CSF in a sterile plastic screw-cap container


Minimum Volume
0.7 mL


Instructions
USE QNI IRREPPLACEABLE SPECIMEN BAG


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days


Methodology
Enzyme Immunoassay (EIA)

Setup Schedule
Set up: Tue, Thur, Sat; Report available: 1-4 days


Report Available
Maximum Laboratory Turn Around Time 5 days


Limitations
Cross reactivity has been observed between alphavirus group and flavivirus group, e.g., yellow fever or yellow fever vaccination.


Reference Range
<0.90 index
Interpretive Criteria
<0.90 Antibody not detected
0.90-1.10 Equivocal
>1.10 Antibody detected


Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
33608 Ortega Highway
San Juan Capistrano, CA 92675-2042




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.