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Test Code Mayo: WNVBL Soft: WNVP |Beaker: LAB2842 West Nile Virus, RNA, PCR, Molecular Detection, Blood

Additional Codes

Epic EAP: LAB2842

Epic Description: WNV PCR, BLOOD (QUALITATIVE)


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.

Method Name

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

Reporting Name

West Nile Virus RNA, PCR, Blood

Specimen Type

Whole Blood EDTA

Specimen Minimum Volume

See Specimen Required

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood EDTA Refrigerated 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

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
WNVBL West Nile Virus RNA, PCR, Blood 34460-6

 

Result ID Test Result Name Result LOINC Value
608438 West Nile Virus RNA, PCR, Blood 34460-6

Forms

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