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TEST ID WNS West Nile Virus Antibody, IgG and IgM, Serum

Reporting Name

West Nile Virus Ab, IgG and IgM, S

Specimen Type

Serum


Specimen Required


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.4 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  14 days

Testing Algorithm

The following algorithms are available:

-Meningitis/Encephalitis Panel Algorithm

-Mosquito-borne Disease Laboratory Testing

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Heat Inactivated specimen Reject

Reference Values

IgG: negative

IgM: negative

 

Reference values apply to all ages.

Day(s) Performed

Monday, Wednesday, Friday

Report Available

Same day/1 to 4 days

Specimen Retention Time

14 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

IgG-86789

IgM-86788

Forms

If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.

Useful For

Laboratory diagnosis of infection with West Nile virus using serum specimens

Highlights

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

Test ID Reporting Name Available Separately Always Performed
WNGS West Nile Virus Ab, IgG, S No Yes
WNMS West Nile Virus Ab, IgM, S No Yes
WNVSI West Nile Serum Interpretation No Yes