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Test 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 Serum

Collection Instructions: Within 2 hours of collection, centrifuge and aliquot serum into a sterile container.

Additional Information: Serum specimens not aliquoted from the serum gel collection tube into a sterile container will be rejected.


Secondary ID

608436

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.

Testing Algorithm

The following algorithms are available:

-Meningitis/Encephalitis Panel Algorithm

-Mosquito-borne Disease Laboratory Testing

Specimen Type

Serum

Specimen Stability Information

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

Reject Due To

Gross hemolysis Reject
Heat-inactivated specimen Reject

Reference Values

Negative

Reference values apply to all ages.

Day(s) Performed

Monday through Friday

Report Available

1 to 5 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

87798

Forms

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