Test Details
Mnemonic
UBKQL
Ordering Code
3092780
CPT-4 Code(s)
87798
Specimen Information
Collect
Random urine
Specimen Preparation
Send 2.0 mL urine undiluted and frozen in a sterile screw capped plastic container. Dedicated specimens are required. Specimens used in other assays will not be tested.
Minimum Volume
1.0 mL
Transport Temperature
Frozen
Rejection Criteria
Shared specimens, specimens submitted to repeated freeze-thaw cycles, urine in Grey-top (boric acid) urine Vacutainers, specimens received in non-sterile or leaking containers, specimens that do not meet the storage/handling conditions criteria above
Stability
Room temperature: 8 hours
Refrigerated: 3 days
Frozen (-20°C): 30 days
Frozen (-70°C): 6 months
Refrigerated: 3 days
Frozen (-20°C): 30 days
Frozen (-70°C): 6 months
Methodology
This test utilizes a polymerase chain reaction to amplify sequences from the VP1 regions of the BK virus genome. The qualitative limit of detection is 100 copies/mL (2.0 log(10) copies/mL). A "NOT DET" (Not detected) result does not rule out infection.
Reference Range
BKV QUAL: Not detected (NOT DET)
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
No