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HelpTest ID WNC West Nile Virus Antibody, IgG and IgM, Spinal Fluid
Useful For
Aiding in diagnosis of central nervous system infection with West Nile virus
Highlights
In patients with suspected mosquito-borne meningitis or encephalitis, this test detects the presence of IgM and IgG-class antibodies to West Nile virus in spinal fluid.
This test should be used for diagnostic purposes only.
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: Sarstedt Aliquot Tube, 5 mL (T914)
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 |
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
86789
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 |
NY State Approved
YesTest 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 US Food and Drug Administration.Forms
If not ordering electronically, complete, print, and send Infectious Disease Serology Test Request (T916) with the specimen.