Test Code WNS West Nile Virus Antibody, IgG and IgM, Serum
Useful For
Laboratory diagnosis of infection with West Nile virus using serum specimens
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 | 
Method Name
Enzyme Linked Immunosorbent Assay (ELISA)
Reporting Name
West Nile Virus Ab, IgG and IgM, SSpecimen Type
SerumSpecimen Required
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
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 | 
|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | 
| Frozen | 14 days | 
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 daysPerforming Laboratory
 Mayo Clinic Laboratories in Rochester
CPT Code Information
IgG-86789
IgM-86788
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value | 
|---|---|---|
| WNS | West Nile Virus Ab, IgG and IgM, S | 94854-7 | 
| Result ID | Test Result Name | Result LOINC Value | 
|---|---|---|
| WNGS | West Nile Virus Ab, IgG, S | 29566-7 | 
| WNMS | West Nile Virus Ab, IgM, S | 29567-5 | 
| WNVSI | West Nile Serum Interpretation | 69048-7 |