Alternate Test Names:
BK virus; JC virus (Jamestown Canyon); SV40 virus; SV-40

Methodology: IHC

Clinical Significance:
Identifies cells harboring JC/polyoma/SV-40/BK virus.

Subcellular Localization: Nuclear

Organ:

Disease State: Identification of Organisms

CPT Code(s): 88342 or 88341 (reference only; CPTs may vary)

Turnaround Time: Within 1-2 business days of receipt

Schedule: Monday - Friday

Specimen Requirements:
• Formalin-fixed, paraffin-embedded (FFPE) tissue block or cell block - OR -
• 1 unstained slide for each test requested plus 3-4 additional unstained slides cut at 4µm