Inactivated/Replace Test
Effective Date
07/29/2025
Included in Report
Replacement Test
PBKQN – “BK Virus DNA PCR, Quantitative, Plasma” replaced by BKQNP – “BK Virus DNA PcR, Quantitative, Plasma”
Back to Test UpdatesInactivated/Replace Test
Inactivated Test Details
Mnemonic
PBKQN
Ordering Code
3092740
CPT-4 Codes(s)
87799
Replacement Test Details
Mnemonic
BKQNP
Ordering Code
3000454
CPT-4 Codes(s)
87799
Turnaround Time
1 - 3 days
Performed
Monday - Friday
Legacy Code
BKQNP
Example Report
Specimen Information
Collect
Lavender EDTA
Specimen Preparation
Centrifuge and separate plasma from cells within 8 hours of collection.
Send 2.0 mL plasma in a screw capped plastic vial. Dedicated specimens are required. Specimens used in other assays will not be tested.
Send 2.0 mL plasma in a screw capped plastic vial. Dedicated specimens are required. Specimens used in other assays will not be tested.
Minimum Volume
1.0 mL
Transport Temperature
Frozen
Rejection Criteria
Serum specimens, heparinized specimens, shared specimens, specimens submitted to repeated freeze-thaw cycles, specimens received in non-sterile or leaking containers.
Stability
Room temperature: 1 day
Refrigerated: 5 days
Frozen (-20°C): 30 days
Frozen (-70°C): 6 months
Refrigerated: 5 days
Frozen (-20°C): 30 days
Frozen (-70°C): 6 months
Methodology
Polymerase Chain Reaction (PCR)
Reference Range
BKV QUAL: NOT DET (Not detected)
BKV QUANT: <50 IU/mL
Log BKV: <1.7 log(10) IU/mL
BKV QUANT: <50 IU/mL
Log BKV: <1.7 log(10) IU/mL
Performing Laboratory
Warde Medical Laboratory
New York DOH Approval Status
Yes