West Nile Virus Antibody (IgM), CSF

Test Code
16013


Preferred Specimen
1 mL CSF submitted in a sterile, plastic leak-proof container


Minimum Volume
0.7 mL


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: Mon, Wed, Fri; Report available: 1-4 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
14225 Newbrook Drive
Chantilly, VA 20153




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.