Item Value
Test name West Nile Virus Antibodies, Serum (IgG & IgM)
Available Stat? No
Performed by Quest
Normal range West Nile Virus IgG:
Negative <1.30
Equivocal 1.30-1.49
Positive ≥1.50


West Nile Virus IgM:
Negative <0.90
Equivocal 0.90-1.10
Positive >1.10
Container type Gold top, Red top
Amount to Collect 4 mL blood
Sample type Serum (see Collection Instructions)

If you have additional questions regarding this test, please call: 415-353-1667