BK Virus, Quantitative PCR
0090067
Ordering Recommendation
 
Mnemonic
BK QNT
Methodology
Quantitative Real-Time Polymerase Chain Reaction
Performed
Sun-Sat
Reported
1-3 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Lavender (EDTA), pink (K2EDTA) or serum separator tube. OR Urine.  
Specimen Preparation
Do not freeze whole blood specimens. Transport 1 mL whole blood, serum, plasma or urine in a sterile container. (Min: 0.5 mL).  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Frozen whole blood. Heparinized specimens.  
Remarks
Specimen source required.  
Stability
Ambient: 24 hours; Refrigerated: 72 hours; Frozen: 1 month  
Reference Interval
Not detected  
Interpretive Data
The quantitative range of this assay is 2.6-8.6 log copies/mL (390-390,000,000 copies/mL).

A negative result (less than 2.6 log copies/mL or less than 390 copies/mL) does not rule out the presence of PCR inhibitors in the patient specimen or BK virus DNA concentrations below the level of detection of the assay. Inhibition may also lead to underestimation of viral quantitation.

No international standard is currently available for calibration of this assay. Caution should be taken when interpreting results generated by different assay methodologies.

See Compliance Statement A: www.aruplab.com/CS
Statement A: Analyte specific reagents (ASR) are used in many laboratory tests necessary for standard medical care and generally do not require U.S. Food and Drug Administration (FDA) approval or clearance. 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. This test should not be regarded as investigational or for research use.
 
Note
The limit of quantification for this DNA assay is 2.6 log copies/mL (390 copies/mL). If the assay DID NOT DETECT the virus, the test result will be reported as "< 2.6 log copies/mL (< 390 copies/mL)." If the assay DETECTED the presence of the virus but was not able to accurately quantify the number of copies, the test result will be reported as "Not Quantified."
CPT Code(s)
87799
Components
Component Test Code*Component Chart NameLOINC
0090059BK Virus DNA, Quantitation43201-3
0093241BK Virus DNA, Quant Interp62365-2
0096366BK Virus DNA, Quant Source31208-2
2002302BK Virus DNA, Quant copy/mL48309-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • BK (Polyoma) Virus
  • BK Virus Quant PCR
  • BK Virus, Molecular Detection
  • BKV DNA
  • Viral load monitoring