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Test Code 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. Centrifuge and aliquot the serum into a sterile container within 6 hours of collection.

2. Label specimen as serum.


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 assay 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 in Special Instructions:

-Meningitis/Encephalitis Panel Algorithm

-Mosquito-borne Disease Laboratory Testing

Method Name

Real-Time Polymerase Chain Reaction (PCR)

Reporting Name

West Nile Virus RNA, PCR, Serum

Specimen Type

Serum

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

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

Reject Due To

Gross hemolysis Reject
Heat-inactivated specimen Reject

Reference Values

Negative

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. This test 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