Yale New Haven Hospital

Department of Laboratory Medicine
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West Nile virus antibody, IgM CSF

Lab Section: 

Virology

 

Lab Location: 

Main Lab

Test ID: 

LAB3655

 

Synonyms: 

WNV Antibody, IgM, CSF

Methodology: 

Enzyme Immunoassay

Schedule: 

1-3 times/week, depending upon season

Reported: 

1-7 days

Specimen Requirements: 

Collect: 1.0 mL Cerebrospinal Fluid in a sterile tube.
Pediatric volume: 0.5 mL.

 

Notes: 

A positive IgM usually indicates current or recent infection with WNV. False positives can occur with other infections. Negative IgM results can occur in the first week of illness.

Reference Interval: 

Negative 

CPT Code(s): 

86788

Last Changed: 

8/24/2017 4:24:24 PM

Last Reviewed: 

8/24/2017 4:24:24 PM