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West Nile Virus Antibody Panel, IgG and IgM

Updated

12/2/2016

Other Names West Nile Fever
How to Order
Check the West Nile Virus box on the Virology/Immunology Request (Form 42)
Availability
All clients
Methodology
Enzyme Immunoassay
Performed
Monday through Thursday
Time to Reporting
1-7 working days after receipt of specimen.
CPT Code
86788, 86789 & 86653


Specimen Collection Details

Collection
One 7 ml red top tube or serum separator tube (SST). Plasma or cerebrospinal fluid (CSF) are also acceptable specimen types.
Optimal Volume
Blood: 5-7 mL; Serum or Plasma 1-2 mL; CSF 1-2 mL
Minimum Volume
Blood: 3 mL; Serum or Plasma 1 mL; CSF 1 mL
Handling
After blood clots, keep specimen refrigerated until transport. DO NOT FREEZE. If possible remove the serum from the clot as soon as possible. Keep CSF refrigerated.
Transport
Transport at refrigerated temperatures (2-8° C) for receipt at the OSPHL within 5 calendar days.
Rejection Criteria
Contaminated specimens and specimens not able to be tested within 7 calendar days.
 
Specimens are subject to the requirements of the OSPHL Specimen Submission Policy and Criteria, available at: http://bit.ly/SpecimenCriteria.
Comments
Because other members of the Flaviviridae family show extensive cross-reactivity with West Nile virus, serologic testing for St. Louis encephalitis is also performed.