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West Nile Virus Antibodies (IgG, IgM), CSF : 36597
Test CodeWNVCFQ or 36597
CPT Codes
86788, 86789
Includes
IgG and IgM antibodies
Transport Container
Specimen
2 mL CSF in a sterile plastic screw-cap container
Minimum Volume
0.7 mL
2 mL CSF in a sterile plastic screw-cap container
Minimum Volume
0.7 mL
Transport Temperature
Refrigerated.
Specimen Stability
Room temperature: 4 days; Refrigerated: 7 days; Frozen: 30 days
Methodology
Enzyme Immunoassay
Setup Schedule
Tuesday, Thursday, Saturday
Report Available
1-4 days (From receipt at performing laboratory)
Reference Range
West Nile Virus Ab (IgG), CSF <1.30
West Nile Virus Ab (IgM), CSF <0.90
Interpretive Criteria
West Nile Virus Antibody (IgG), CSF
<1.30 Antibody not detected
1.30-1.49 Equivocal
>1.49 Antibody detected
West Nile Virus Antibody (IgM), CSF
<0.90 Antibody not detected
0.90-1.10 Equivocal
>1.10 Antibody detected
West Nile Virus Ab (IgM), CSF <0.90
Interpretive Criteria
West Nile Virus Antibody (IgG), CSF
<1.30 Antibody not detected
1.30-1.49 Equivocal
>1.49 Antibody detected
West Nile Virus Antibody (IgM), CSF
<0.90 Antibody not detected
0.90-1.10 Equivocal
>1.10 Antibody detected
Clinical Significance
Detection of West Nile Virus antibodies (IgG and IgM) in Cerebrospinal Fluid
Performing Laboratory
Quest Diagnostics
