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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

Method Name

Real-Time Polymerase Chain Reaction (PCR)/DNA Probe Hybridization
(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Plasma EDTA

Specimen Required

Container/Tube: Lavender top (EDTA)

Specimen Volume: 1 mL

Collection Instructions: Separate plasma within 24 hours of collection.

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

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

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

Reject Due To


Mild OK; Gross reject







Reference Values

None detected

Day(s) and Time(s) Performed

Monday through Saturday; Varies

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
QBK BK Virus PCR, Quant, P 41479-7


Result ID Test Result Name Result LOINC Value
83187 BK Virus PCR, Quant, P 41479-7
31060 Copies/ml 41479-7

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.