| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
West Nile Virus Antibodies (IgG, IgM), Serum
Test CodeWNV
Quest Code
36596
Alias/See Also
36596
CPT Codes
86788, 86789
Preferred Specimen
1 mL serum
Minimum Volume
0.7 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
Enzyme Immunoassay (EIA)
Setup Schedule
Set up: Tue, Thur, Sat; Report available: 1-4 days
Report Available
Maximum Laboratory Turn Around Time 5 days
Limitations
Cross reactivity has been observed between alphavirus group and flavivirus group, e.g., yellow fever or yellow fever vaccination.
Reference Range
| West Nile Virus Ab (IgG) | <1.30 |
| West Nile Virus Ab (IgM) | <0.90 |
Interpretive Criteria
WNV Ab (IgG)
| <1.30 | Antibody not detected |
| 1.30-1.49 | Equivocal |
| >1.49 | Antibody detected |
| <0.90 | Antibody not detected |
| 0.90-1.10 | Equivocal |
| >1.10 | Antibody detected |
Performing Laboratory
| Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
| 33608 Ortega Highway |
| San Juan Capistrano, CA 92675-2042 |
