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

Performing Laboratory



Qualitative polymerase chain reaction (PCR)

Specimen Required

Submit one of the following:


Container/Tube: Gold top, Lavender (EDTA) tube

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

                       or 0.5 mL CSF (0.3mL min)

Transport Temperature: Frozen

Stability: 8 hours Room Temperature

                 24 Hours Refrigerated

                  3 Months Frozen



Reference Values

  Not Detected


This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions

Test Classification and CPT Coding



LOINC Code: 34892-0

Day(s) and Time(s) Performed

Monday - Friday


TAT 2 - 5 Days

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