
JC/BK Quantitative PCR near me in Indore







The JC/BK Quantitative PCR test is a blood test used to measure the levels of two polyomaviruses: JC (John Cunningham) and BK, in the blood. These viruses are common and usually stay dormant in healthy people but can become active in those with weakened immune systems, especially organ transplant or kidney surgery patients. Early detection helps doctors monitor viral activity and manage complications effectively. Reactivation of the BK virus may lead to polyomavirus-associated nephropathy (PVAN), ureteric complications, or hemorrhagic cystitis, especially in kidney transplant patients. Reactivation of the JC virus can affect the brain and cause progressive multifocal leukoencephalopathy (PML), a serious neurological condition.
As there are no specific antiviral treatments for JC or BK virus infections, regular monitoring of viral load is essential. The JC/BK Quantitative PCR test helps doctors guide timely clinical decisions, adjust immunosuppressive therapy, protect kidney function, and reduce the risk of graft rejection after transplantation. This test is widely available with Tata 1mg labs at an affordable price in Indore.








What does JC/BK Quantitative PCR measure?
The JC/BK Quantitative PCR test measures the presence and amount of JC virus (JCV) and BK virus (BKV) DNA in the blood using Real-Time Polymerase Chain Reaction (RT-PCR) technology. This method amplifies even very small amounts of viral genetic material, making it highly sensitive and accurate for early detection. High levels of JC viral DNA may indicate an active infection and are associated with an increased risk of Progressive Multifocal Leukoencephalopathy (PML), a serious neurological condition. Similarly, elevated BK viral DNA levels suggest active infection, which can lead to complications such as BK virus-associated nephropathy (BKVAN) or urinary tract issues, particularly in transplant recipients. Low or undetectable levels of either virus generally indicate that the infection is inactive or well-controlled. By quantifying viral load, this test enables regular monitoring, helps detect early reactivation, guides treatment decisions, allows adjustment of immunosuppressive therapy, and aids in preventing serious complications.





- BK and JC virus: A review [Internet]. ScienceDirect; [Accessed 22 Oct. 2025]. Available from:
- Saribas AS, Ozdemir A, Lam C, Safak M. JC virus-induced Progressive Multifocal Leukoencephalopathy. Future Virol. 2010 May;5(3):313-323. [Accessed 22 Oct. 2025]. Available from:
- Progressive Multifocal Leukoencephalopathy []Internet]. National Institute of Neurological Disorders and Stroke. Bethesda (MD): U.S. Department of Health and Human Services; 19 Jul. 2024 [Accessed 22 Oct. 2025]. Available from:
- National Institute of Neurological Disorders and Stroke. Progressive multifocal leukoencephalopathy. Bethesda (MD): U.S. Department of Health and Human Services, National Institutes of Health; [cited YYYY Mon DD]. Available from:
- IARC Working Group on the Evaluation of Carcinogenic Risks to Humans. Malaria and Some Polyomaviruses (SV40, BK, JC, and Merkel Cell Viruses). Lyon (FR): International Agency for Research on Cancer; 2013. (IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, No. 104.) BK POLYOMAVIRUS. Available from:
- Gorriceta JH, Lopez Otbo A, Uehara G, Posadas Salas MA. BK viral infection: A review of management and treatment. World J Transplant. 2023 Dec 18;13(6):309-320. [Accessed 22 Oct. 2025]. Available from:
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