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Western Equine Encephalitis Virus IgM Ab, IFA (Serum)
Test Code25862
CPT Codes
86654
Preferred Specimen
1 mL serum
Minimum Volume
0.075 mL
Transport Container
Plastic screw-cap vial
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 5 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Indirect Immunofluorescence Assay
Setup Schedule
Set up: Mon-Fri a.m.; Report available: 3 days
Reference Range
<1:16
Clinical Significance
Detection of IgG antibody indicates either past or recent infection. Human infections are seasonal, from mid-summer to late summer, occurring throughout the western U.S. Minimal cross-reactivity with other Group A Arboviruses (i.e., Eastern Equine Encephalitis Virus) is observed.
