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West Nile Virus Nucleic Acid Testing (NAT)

Item Value
Approval req'd? No
Available Stat? No
Test code Only orderable as package PTXID
Test group WNV
Performed by Creative Testing Solutions
Sendout? Yes
Method PCR
Collection Instructions DO NOT draw samples for NAT send out on weekends and holidays or after 2 PM on Fridays.

For non-Transplant related testing on serum order test code WNV, for CSF testing order WNVC.
Container type Lavender top (6 mL size)
Amount to Collect 6 mL blood
Sample type EDTA whole blood
Preferred volume 6 mL blood
Min. Volume 5 mL blood
UCSF Rejection Criteria Samples collected outside of stated time frames
Processing notes Ordered as part of the PTXID package. Samples must be received by BSL within 72 hours of collection. Keep at room temperature, DO NOT refrigerate or centrifuge sample.
Normal range Non-reactive
Synonyms WNV NAT; PCR; nucleic acid testing
Turn around times Nucleic acid testing is sent out to BSL Monday to Friday evenings and results are available 48 hours after sent out. Test set up Monday through Saturday p.m. Turnaround time: 3-5 days
Additional information As of December 2005, nucleic acid testing for blood donors is performed in pools of 16 donors, whereas testing for stem cell and organ donors is performed on individual samples (non-pooled). This is per current FDA

The assay for West Nile Virus included in the PTXID package detects WNV RNA and if the screen is reactive, IgG and IgM serologic testing is performed and additional molecular tests provided there is sufficient sample.

The test can only be ordered as part of the package PTXID.
Last Updated 3/7/2011 1:35:11 PM
Entry Number 1012
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