Test ID: WNS    
West Nile Virus Antibody, IgG and IgM, Serum

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

Laboratory diagnosis of infection with West Nile virus in serum specimens


Detection of antibodies to West Nile virus (WNV) in serum can be used to support the diagnosis of recent WNV infection.


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
WNGSWest Nile Virus Ab, IgG, SNoYes
WNMSWest Nile Virus Ab, IgM, SNoYes
WNVSIWest Nile Serum 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, S

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

Mosquito borne encephalitis
Viral encephalitis
West Nile virus (WNV)