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HelpTest 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
Mayo Clinic Laboratories in Rochester
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: