Laboratory Test Detail - Interpath Labs

Laboratory Test Detail

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Last Updated: May 29, 2023 @ 9:13 am
2803	West Nile Antibody, IgG / IgM
Specimen:	Collect:	One SST Also Acceptable: One Red Top
	Submit:	1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
	Special Handling:	Allow specimen to clot completely at room temperature Separate from cells ASAP
	Rejection Criteria:	Grossly Lipemic Samples Heat inactivated Hemolyzed specimens Icteric specimen Microbial Contamination
	Stability:	Ambient: 8 Hour(s); Refrigerated: 2 Day(s); Frozen: 1 Month(s); Incubated: Unacceptable
Methodology:	Enzyme-Linked ImmunoSorbent Assay (ELISA)
Performed:	Tuesday, Friday
Reported:	3-5 Day(s) Positive IgM Results will be repeated and reported next day.
CPT Codes:	86788 86789
Interpretive Data:	Please see report for interpretive data. West Nile Antibody IgG: WNV IgG may produce false positive results due to cross-reactivity to CMV and/or bunyaviruses, or if a person has been infected with or vaccinated for flaviviruses such as Japanese encephalitis virus, dengue virus, or yellow fever virus. West Nile Antibody IgM: WNV IgM may produce false positive results due to other flaviviruses or residual IgM from previous infection present for over 500 days. IgM positive results for children may also be caused by cross-reactivity with enteroviruses.
Components:	2808 - WEST NILE AB, IgG 2807 - WEST NILE AB, IgM

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