Immunohistochemistry Polyoma BK Virus (SV 40) Test
Short Name: IHC BK Virus Test
Also known as: BK Virus IHC Test, SV40 Immunohistochemistry, Polyoma Virus Staining
Immunohistochemistry Polyoma BK Virus (SV 40) Test test available at DNA Labs India for ₹3,500. Uses Immunohistochemistry on Tissue biopsy (formal-saline or FFPE block) samples. Results in 5-7 days from sample receipt at laboratory. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr Ramarao Paidisetty
Consultant Biochemist · Reg: 21504
Last reviewed: September 7, 2026
Overview
To diagnose BK virus infection in kidney tissues, especially in transplant patients, to monitor for nephropathy and guide treatment decisions.
- Test Code
- 1030
- Price
- ₹3,500
- Sample Type
- Tissue biopsy (formal-saline or FFPE block)
- Result Time
- 5-7 days from sample receipt at laboratory
- Fasting Required
- No
- Method
- Immunohistochemistry
Sample Collection
Provide histopathology report, site of biopsy, and clinical history. No specific patient preparation required.
Method: Biopsy collection by healthcare professional
Laboratory Analysis
Biopsy performed by healthcare professional; tissue fixed immediately in 10% formal-saline or processed as FFPE block.
Report Delivery
Sample shipped at room temperature to laboratory; results available in 5-7 days. Monitor biopsy site for complications.
Timeline: 5-7 days from sample receipt at laboratory
Patient Instructions
About This Test
Who Should Get This Test
To diagnose BK virus infection in kidney tissues, especially in transplant patients, to monitor for nephropathy and guide treatment decisions.
How to Prepare
- Use 10% formal-saline or formalin fixed paraffin embedded (FFPE) block
- Ship at room temperature
- Include a copy of histopathology report, biopsy site, and clinical history
Doctor's Notes
Reviewed by Dr Ramarao Paidisetty — MBBS, MD (Biochemistry) · Reg. No. 21504
"This test is crucial for monitoring BK virus in transplant patients to prevent graft loss and guide antiviral therapy."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Insufficient tissue sample
- Improper fixation or container
- Missing clinical information or histopathology report
Understanding Your Results
Positive
BK virus detected; suggests active infection or nephropathy, requiring clinical correlation and possible treatment.
Negative
No BK virus detected; but clinical correlation is needed to rule out infection, especially if symptoms persist.
If symptoms such as fever, hematuria, or graft dysfunction persist, or if test results are positive, consult a nephrologist promptly.
Limitations
- ⚠Qualitative test only; does not quantify viral load
- ⚠Requires biopsy procedure, which has associated risks
- ⚠May have false negatives if viral load is low or unevenly distributed
- ⚠Not suitable for direct viral detection in blood or urine
Risks & Considerations
- ●Biopsy-related bleeding or hematoma
- ●Infection at biopsy site
- ●Discomfort or pain during biopsy procedure
- ●Rare allergic reaction to local anesthesia
Interfering Factors
- ●Poor tissue fixation
- ●Inadequate sample size
- ●Use of incorrect antibodies
- ●Tissue necrosis or degradation
Compare With Similar Tests
| Test | Immunohistochemistry Polyoma BK Virus (SV 40) Test | BK Virus PCR Quantitative | Serology for Polyomavirus | Renal Function Tests (e.g., Creatinine) | Urine Cytology |
|---|---|---|---|---|---|
| Comparison | Immunohistochemistry Polyoma BK Virus (SV 40) Test |
Frequently Asked Questions
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