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HelpTest Code LAB1270 West Nile Virus, IgG
Useful For
The diagnosis of infection with West Nile virus, a mosquito-borne flavivirus.
Methodology
Enzyme Immunoassay (EIA)
Performing Laboratory
Montana State Public Health Laboratory
Specimen Requirements
Specimen Type: Serum
Container/Tube: Red top or gold top
Specimen Volume: 1 mL
Collection Instructions: Send 1 mL refrigerated. Paired acute and convalescent specimens recommended.
Date of onset is required, and the city or county of patient’s residence is requested.
Specimen Transport Temperature
Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Ambient | 8 hours |
| Refrigerated | 1 week |
Reference Values
Negative (reported as positive or negative)
Positive results are telephoned to the submitter.
Day(s) Test Set Up
Routinely batch tested once per week; during seasonal outbreaks, testing may be performed each working day, depending on workload.
Test Classification and CPT Coding
86789