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Test ID WNVBL West Nile Virus, RNA, PCR, Molecular Detection, Blood


Specimen Required


Container/Tube: Lavender top (EDTA)

Specimen Volume: 1 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send whole blood specimen in original tube. Do not aliquot.


Secondary ID

608438

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 blood specimens potentially providing a greater sensitivity than other sources for WNV RNA detection

 

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.

Specimen Type

Whole Blood EDTA

Specimen Stability Information

Specimen Type Temperature Time
Whole Blood EDTA Refrigerated (preferred) 7 days
  Frozen  7 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

Negative

Reference values apply to all ages.

Day(s) Performed

Monday through Friday

Report Available

Same day/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.