California Encephalitis Antibody, IgM by IFA, CSF : ARUP Lab Tests

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California Encephalitis Antibody, IgM by IFA, CSF : 0098898

Mnemonic: CAL M CSF

Methodology:	Semi-Quantitative Indirect Fluorescent Antibody
Performed:	Tue, Fri
Reported:	1-5 days
Specimen Required:	Collect: CSF. Specimen Preparation: Transfer 2 mL CSF to an ARUP Standard Transport Tube. (Min: 0.15 mL) Storage/Transport Temperature: Refrigerated. Unacceptable Conditions: Contaminated, heat-inactivated, or hemolyzed specimens. Stability (collection to initiation of testing): Ambient: 8 hours; Refrigerated: 2 weeks; Frozen: 1 year (avoid repeated freeze/thaw cycles)

Reference Interval: 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 IgM in CSF samples in which there is a clinical suspicion of California Encephalitis Group virus infection. A positive result for IgM may suggest current or recent 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. Refer to Statement E under Testing Information at http://www.aruplab.com.
CPT Code(s):	86651
Cross References:	Encephalitis Antibody (California Encephalitis Antibody, IgM by IFA, CSF), Encephalitis, La Crosse (California Encephalitis Antibody, IgM by IFA, CSF), La Crosse Encephalitis (California Encephalitis Antibody, IgM by IFA, CSF)

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