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Test ID WNVUR West Nile Virus, RNA, PCR, Molecular Detection, Random, Urine

Method Name

Real-Time Reverse Transcription Polymerase Chain Reaction (RT-PCR)


Specimen Required


Container/Tube: Sterile container

Specimen Volume: 1 mL

Collection Instructions:

1. Collect random urine in a sterile container.

2. No preservative should be added.

3. Label specimen as urine.


Reporting Name

West Nile Virus RNA, PCR, Urine

Specimen Type

Urine

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 7 days
  Frozen  7 days

Report Available

Same day/1 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

LOINC Code Information

Test ID Test Order Name Order LOINC Value
WNVUR West Nile Virus RNA, PCR, Urine 97185-3

 

Result ID Test Result Name Result LOINC Value
608437 West Nile Virus RNA, PCR, Urine 97185-3

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.

Useful For

Rapid testing for West Nile virus (WNV) RNA (lineage 1 and lineage 2)

 

An adjunctive test to serology for detection of early WNV infection (ie, first few days after symptom onset), with urine specimens potentially retaining WNV RNA longer than other sources

 

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.

Day(s) Performed

Monday through Friday

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

Specimen Minimum Volume

0.3 mL

Reference Values

Negative

Reference values apply to all ages.