VNTR Chimerism Study [PRE BMT] Test
Short Name: VNTR Chimerism Pre-BMT
Also known as: VNTR Analysis, Chimerism Study, Pre-Bone Marrow Transplant Chimerism Test
VNTR Chimerism Study [PRE BMT] Test test available at DNA Labs India for ₹7,500. Uses End Point PCR on Peripheral Blood samples. Results in 3-4 days. Free home collection in 300+ cities across India.
🩺 Medically Reviewed By
Dr SULOCHANA HEMCHANDRA HOLLA
Consultant Medical Geneticist · Reg: 8532
Last reviewed: September 7, 2026
Overview
The purpose of the VNTR Chimerism Study [PRE BMT] is to evaluate the baseline chimerism status before bone marrow transplant, monitor donor cell engraftment post-transplant, detect early signs of graft failure or rejection, and assist in managing transplant-related complications such as graft-versus-host disease.
- Test Code
- 3233
- Price
- ₹7,500
- Sample Type
- Peripheral Blood
- Result Time
- 3-4 days
- Fasting Required
- No
- Method
- End Point PCR
Sample Collection
Ensure a doctor's prescription is available. No specific fasting required, but follow any instructions from the healthcare provider.
Method: Venipuncture
Laboratory Analysis
A blood sample will be drawn from a vein in the arm using standard venipuncture technique.
Report Delivery
Apply pressure to the puncture site to prevent bleeding. Keep the sample cool during transport.
Timeline: 3-4 days
Patient Instructions
About This Test
Who Should Get This Test
The purpose of the VNTR Chimerism Study [PRE BMT] is to evaluate the baseline chimerism status before bone marrow transplant, monitor donor cell engraftment post-transplant, detect early signs of graft failure or rejection, and assist in managing transplant-related complications such as graft-versus-host disease.
How to Prepare
- Collect 2 ml peripheral blood in EDTA tube
- Label samples correctly for recipient and donor
- Transport with cool pack to maintain stability
Doctor's Notes
Reviewed by Dr SULOCHANA HEMCHANDRA HOLLA — MBBS, MD (Medical Genetics) · Reg. No. 8532
"This test is essential for evaluating donor-recipient compatibility before bone marrow transplant to ensure successful engraftment."
Last medically reviewed: September 7, 2026
Test Parameters & Specifications
Sample Stability
- Hemolyzed or clotted sample
- Incorrect tube type
- Insufficient volume
Understanding Your Results
Consult a doctor if chimerism levels are low or declining, if there are signs of graft failure such as infection or cytopenias, or if unexplained symptoms occur post-transplant.
Limitations
- ⚠Detection limit may vary based on assay sensitivity
- ⚠Requires prior DNA profiles of donor and recipient
- ⚠Not suitable for detecting microchimerism below threshold
Risks & Considerations
- ●Minor bruising at puncture site
- ●Rare infection risk
- ●Fainting or dizziness during blood draw
Interfering Factors
- ●Recent blood transfusion
- ●Sample contamination
- ●Improper storage or handling
Frequently Asked Questions
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Reference Laboratory Services
We serve as a reference laboratory for hospitals and clinics across India. Send samples from your facility with same-day pickup, priority processing, and results delivered through our online portal. Competitive institutional pricing available.
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