BK Virus, Quantitative PCR, Blood

2002304
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Ordering Recommendation

Detect and quantify BK virus in blood.

Mnemonic

BK QNT BLD

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.

Specimen Required

Patient Preparation
Collect

Lavender (EDTA), pink (K2EDTA), or serum separator tube

Specimen Preparation

Transport 1 mL whole blood, serum or plasma in a sterile container. (Min: 0.5 mL).

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Urine (refer to BK Virus, Quantitative PCR, Urine, ARUP test code 2002310). 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.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Analyte Specific Reagent (ASR)

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."

Hotline History

N/A

CPT Codes

87799

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Components

Component Test Code* Component Chart Name LOINC
2002305 BK Virus (cpy/mL), Blood 48309-9
2002307 BK Virus Source, Blood 31208-2
2002308 BK Virus (log cpy/mL), Blood 43201-3
2002309 BK Virus Interp, Blood 63475-8
* 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 Virus Blood Quant PCR
  • BKV Quant blood
  • Polyomavirus
  • Viral load monitoring
BK Virus, Quantitative PCR, Blood