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Test Code QBK BK Virus, Molecular Detection, Quantitative, PCR, Plasma

Reporting Name

BK Virus PCR, Quant, P

Useful For

A prospective and diagnostic marker for the development of nephropathy in renal transplant recipients


This test should not be used to screen healthy patients. Depending on the population, varying percentages of patients may be found to be positive.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Plasma EDTA

Advisory Information

This test is the preferred test for BK Virus detection. However, if qualitative results are requested, order LCBKP / BK Virus, Molecular Detection, PCR, Plasma.

Specimen Required

Container/Tube: Lavender top (EDTA)

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot plasma within 24 hours of collection.

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Plasma EDTA Refrigerated (preferred) 14 days
  Frozen  14 days

Reference Values

None Detected

Day(s) and Time(s) Performed

Monday through Saturday; Varies

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 U.S. Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
QBK BK Virus PCR, Quant, P 32362-6


Result ID Test Result Name Result LOINC Value
83187 BK Virus PCR, Quant, P 32362-6
606459 BK Quant, P, IU/mL 32284-2

Reject Due To

Gross hemolysis Reject

Method Name

Real-Time Polymerase Chain Reaction (PCR)/DNA Probe Hybridization


If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:

-Microbiology Test Request (T244)

-Renal Diagnostics Test Request (T830)