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| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # |
California Encephalitis Virus Antibody (IgG)
Test Code37522
CPT Codes
86651
Preferred Specimen
1 mL serum
Minimum Volume
0.075 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Grossly lipemic • Grossly icteric
Methodology
Indirect Immunofluorescence Assay
Setup Schedule
Set up: Mon-Fri; Report available: 2-5 days
Reference Range
<1:16
Clinical Significance
IgG titers ≥1:16 suggest exposure, while the presence of IgM indicates recent infection. Human infections are seasonal, from mid-to late-summer, occurring mainly in the north central states.
