JC Virus (Polyomavirus pml)
Microbiology
Notes
- The information given here is intended for use by healthcare professionals.
- Please see Lab Tests Online-UK for more general advice, links and background
- JC virus is detected by PCR.
- Associated with Progressive Multifocal Leukoencephalopathy (PML).
- Tested following specific request.
- If possible, send both CSF and EDTA blood samples.
Sample requirements
CSF - 30 mL sterile universal container
A minimum CSF volume of 150 µl is required for reliable testing.

4ml of blood taken into an EDTA Tube

Urine,

Serum,

Tissue can also be tested.
Required information
- Relevant clinical details
Storage/transport
Store at fridge temperature
Transport as soon as possible at ambient temperature
Turnaround time
Samples are sent to the National Reference Centre
Up to 12 days.