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HelpTest ID WNVS West Nile Virus, RNA, PCR, Molecular Detection, Serum
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container: Sterile container
Specimen Volume: 0.5 mL
Collection Instructions:
1. Within 2 hours of collection centrifuge and aliquot serum into a sterile container.
2. Serum specimens not aliquoted from the serum gel collection tube into a sterile container will be rejected.
Useful For
Rapid testing for West Nile virus (WNV) RNA (lineage 1 and lineage 2) using serum specimens
An adjunctive test to serology for detection of early WNV infection (ie, first few days after symptom onset)
This test should not be used for screening asymptomatic individuals and should only be used to test patients with signs and symptoms of WNV disease.
Special Instructions
Method Name
Real-Time Reverse Transcription Polymerase Chain Reaction (RT-PCR)
Reporting Name
West Nile Virus RNA, PCR, SerumSpecimen Type
SerumSpecimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Reference Values
Negative
Reference values apply to all ages.
Day(s) Performed
Monday through Friday
Report Available
Same day/1 to 5 daysPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
87798
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| WNVS | West Nile Virus RNA, PCR, Serum | 32361-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 608436 | West Nile Virus RNA, PCR, Serum | 32361-8 |
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.