Test Code WNVC West Nile Virus Antibody, IgG and IgM, Spinal Fluid
Additional Codes
Mayo Code |
WNC |
EPIC Code |
LAB208 |
Sunquest Code |
WNVC |
Useful For
Aiding in diagnosis of central nervous system infection with West Nile virus
Profile Information
Test ID | Reporting Name | Available Separately | Always Performed |
---|---|---|---|
WNGC | West Nile Virus Ab, IgG, CSF | No | Yes |
WNMC | West Nile Virus Ab, IgM, CSF | No | Yes |
WNVCI | West Nile CSF Interpretation | No | Yes |
Method Name
Enzyme-Linked Immunosorbent Assay (ELISA)
Reporting Name
West Nile Virus Ab, IgG and IgM,CSFSpecimen Type
CSFSpecimen Required
Supplies: Aliquot Tube, 5 mL (T465)
Collection Container/Tube: Sterile vial
Submission Container/Tube: Plastic vial
Specimen Volume: 1 mL
Specimen Minimum Volume
0.8 mL
Specimen Stability Information
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
CSF | Refrigerated (preferred) | 7 days | |
Frozen | 30 days |
Reject Due To
Gross hemolysis | Reject |
Reference Values
IgG: Negative
IgM: Negative
Reference values apply to all ages.
Day(s) and Time(s) Performed
Monday, Wednesday, Friday; 9 a.m.
Performing Laboratory

CPT Code Information
IgG: 86789
IgM: 86788
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
WNC | West Nile Virus Ab, IgG and IgM,CSF | 94853-9 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
WNGC | West Nile Virus Ab, IgG, CSF | 77953-8 |
WNMC | West Nile Virus Ab, IgM, CSF | 29569-1 |
WNVCI | West Nile CSF Interpretation | 69048-7 |
Test Classification
This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.
Testing Algorithm
The following algorithms are available in Special Instructions: