Test ID: WNC    
West Nile Virus Antibody, IgG and IgM, Spinal Fluid

Useful For Suggests clinical disorders or settings where the test may be helpful

Aiding in diagnosis of central nervous system infection with West Nile virus


In patients with suspected mosquito-borne meningitis or encephalitis, this test detects the presence of IgM and IgG-class antibodies to West Nile virus (WNV) in spinal fluid.


This test should be used for diagnostic purposes only.

Profile Information A profile is a group of laboratory tests that are ordered and performed together under a single Mayo Test ID. Profile information lists the test performed, inclusive of the test fee, when a profile is ordered and includes reporting names and individual availability.

Test IDReporting NameAvailable SeparatelyAlways Performed
WNGCWest Nile Virus Ab, IgG, CSFNoYes
WNMCWest Nile Virus Ab, IgM, CSFNoYes
WNVCIWest Nile CSF InterpretationNoYes

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

The following algorithms are available in Special Instructions:

-Meningitis/Encephalitis Panel Algorithm

-Mosquito-borne Disease Laboratory Testing

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

Enzyme-Linked Immunosorbent Assay (ELISA)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

West Nile Virus Ab, IgG and IgM,CSF

Aliases Lists additional common names for a test, as an aid in searching

Mosquito borne encephalitis
Viral encephalitis
West Nile virus (WNV)