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Test Name:
California Encephalitis IgG Antibody, by IFA, Cerebrospinal Fluid
- SBMF No:
45471 - Performance Lab Name:
ARUP Laboratories - Test Mnemonic:
CSF CAL G - ABN:
Not required - CPT Code:
86651 - LOINC Code:
9539-8 - Ref Lab Test No:
0098893 - Also Known As:
Encephalitis Antibody, California, IgG, CSF
CSF CE IgG Ab
La Crosse Encephalitis IgG Antibody - Also See:
45474 Eastern Equine Encephalitis IgG Antibody, CSF
45477 St. Louis Encephalitis IgG Antibody, CSF
28243 West Nile Virus IgG Antibody, CSF
45480 Western Equine Encephalitis IgG Antibody, CSF - Spec Type:
Cerebrospinal Fluid (CSF) - Spec Container:
Plastic transport tube with threaded cap - Pref Vol:
2.0 mL - Min Vol:
0.5 mL
Pediatric Collection: 0.15 mL - Spec Collect:
Collected by physician - Spec Store Transport:
Refrigerated - Spec Stability:
8 hours room temperature (20-30°C)
2 weeks refrigerated (2-8°C)
1 year frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Reject:
Heat-inactivated, contaminated, or hemolyzed sample - Methodology:
Indirect Fluorescent Antibody (IFA) - Clinical Significance:
Refer to:
- Reference Range:
- California Encephalitis Antibody, IgG by IFA, CSF
- Less than 1:1
- Interpretive Data:
- This test is intended to be used as a semi-quantitative means of detecting California Encephalitis Group virus-specific IgG in CSF samples in which there is a clinical suspicion of California Encephalitis Group virus infection. A positive result for IgG may suggest current or past infection. This test should not be used solely for quantitative purposes, nor should the results be used without correlation to clinical history or other data. La Crosse virus is related within the California Encephalitis Group and generally is reactive with antibody to other viruses within this group.
- Additional Test Info:
The manufacturer has not determined the efficacy of this test when performed on CSF specimens. The performance characteristics of this test were determined by ARUP laboratories. - Day Run:
Tue, Fri - Time Reported:
2-6 days - Test Type:
INFECTIOUS ANTIBODY
