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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
CPT Codes
86788, 86789
Preferred Specimen
1 mL serum from SST
Minimum Volume
0.7 mL
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 4 days
Refrigerated: 7 days
Frozen: 30 days
Refrigerated: 7 days
Frozen: 30 days
Methodology
Enzyme Immunoassay (EIA)
Setup Schedule
Mon, wed, fri
Report Available
3 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-Chantilly VA |
14225 Newbrook Drive |
Chantilly, VA 20151-2228 |