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Test Code WNPCR West Nile Virus PCR, (CSF, Serum or Plasma), Qualitative

Performing Laboratory

National Genetics Institute- LabCorp

2311 Pontius Ave

Los Angeles, CA 90064-1809


SuperQual® polymerase chain reaction (PCR)

Specimen Required

Submit one of the following:


Container/Tube: Gold top, Lavender (EDTA) or White top PPT tube(s)

Specimen:  1 mL plasma or serum ( 0.5 mL min)

                       or 0.5 mL CSF (0.3mL min)

Transport Temperature: Frozen



Reference Values


  • Mean detection: 74.3 copies/mL

         • 95% detection cutoff: 281.6 copies/mL

Test Classification and CPT Coding


Day(s) and Time(s) Performed

Monday, Wednesday

Useful For

The direct detection of WNV is a valuable tool in determining whether a patient is infected with West Nile virus. PCR is able to detect WNV RNA directly and does not rely on antibody markers of WNV infection, which are produced after RNA is detectable in newly infected individuals.


Computer Interface Code

PDM # 1459868