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California Encephalitis Virus Antibody (IgG, IgM), IFA, Serum
MessageFor Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.
Test Code
CENCEP
CPT Codes
86651 (x2)
Preferred Specimen
1 mL serum
Minimum Volume
0.1 mL
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Immunofluorescence Assay (IFA)
Setup Schedule
Mon-fri
Report Available
2-5 days
Limitations
May be negative in early stages of infection.
Reference Range
See Laboratory Report
Clinical Significance
IgG titers ≥1:16 suggest exposure (either past or recent), while the presence of IgM indicated recent infection.
Performing Laboratory
Quest Diagnostics Nichols Institute-San Juan Capistrano, CA |
33608 Ortega Highway |
San Juan Capistrano, CA 92675-2042 |
Last Updated: November 24, 2021