LRC Test Information

A Service of the Hamilton Regional Laboratory

Laboratory Test Information

Committed to Quality
The HRLMP is committed to providing high quality laboratory results for our clients.
As one of the largest integrated laboratory medicine programs in Canada we strive to produce the right results the first time on every sample we receive.

Test Name:	JC/BK Virus PCR
Alternate Name(s):	JC Virus, JC Virus Qualitative PCR Polyomavirus, PML, Progressive Multifocal Leukoencephalopathy BK Virus
Requisition Form:	Download requisition form for: R_708112 (2025-12-09) - LRC Microbiology Requisition - Update - Fillable.pdf
Specimen Requirement:	Minimum 300 µL Spinal Fluid
Specimen Handling Instructions:	Freeze and ship frozen on dry ice.
Turnaround Time:	7 days
Interpretive Comments:	ear47mtete\|20504125C0E0\|LRCTEST_background\|InterpretiveComments\|Comments\|0xffffb082010000001701000001001100 A positive result indicates the presence of JC virus or BK virus DNA but cannot distinguish between them.
Additional Information:	Test is performed approximately once per week, Monday to Friday, excluding Statutory holidays.
Method of Analysis:	PCR
Test was Last Updated:	1/14/2026
Testing Laboratory:	Molecular Microbiology
Testing Site:	SJHH

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