BK Virus DNA Quantitative Real Time PCR
| Abbrev Code: | BKPCR | ||
| Order Code: | LAB3326 | Order Name: | BK Virus PCR Quantitative |
| Synonyms: | BK Virus; BK Quant | ||
| Methodology: | Polymerase chain reaction (PCR) | ||
| CPT Codes: | 87799 x1 | ||
| Turnaround Time: | Testing is performed 3 times a week; results reported within 4 days from receipt of sample into the laboratory. | ||
| Special Instructions: | Specimen source is required. Testing performed on plasma and urine only. Urine must not be in any preservatives. Other specimen sources, such as CSF and bone marrow, will be sent to a reference laboratory for testing. | ||
Collection Instructions
| Specimen: | Blood or urine |
| Optimal Volume: | 2 mL blood; 1 mL urine |
| Minimum\Peds Volume: | 1.2 mL blood; 0.5 mL urine |
| Container: | Purple (EDTA), Plastic leakproof container, sterile |
| Causes for Rejection: | Preserved urine or urine collected with cotton balls. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.5 mL minimum plasma or urine. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Test Performed at or Referral Lab | Infectious Diseases Diagnostic Laboratory (UMMC East Bank) |
Interpretive
| Reference Range: | Not detected.
Reportable range 500 to 100,000,000 copies/mL |
| Use: | BK virus is an important cause of hemorrhagic cystitis. Patients at risk for nephropathy due to infection with the BK virus are identified by the presence of viral DNA in their urine and plasma. This assay may be useful in regulating the dose of immunosuppressive therapy. |
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