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 Results will be repeated and reported next day.
Positive Results will be repeated and reported next day.
CPT Codes
- 86788
Interpretive Data
General Reference Range : none detected
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.
Please note: updated reference range as of 08/07/2017.
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.
Please note: updated reference range as of 08/07/2017.
Components
- 2807 - WEST NILE AB, IgM
Last Updated: May 8, 2025 @ 9:13 am
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