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Flow Cytometry Test for Minimal Residual Disease (MRD) in T-ALL: Booking, Price, and Results

About Flow Cytometry Test for Minimal Residual Disease (MRD) in T-ALL: Booking, Price, and Results

Field	Value
Also Known As	MRD flow cytometry for T-ALL, T-ALL MRD Panel, Minimal residual disease test (T-ALL), Measurable residual disease by flow cytometry (T-ALL)
Sample Type	Bone marrow aspirate/peripheral blood
Fasting Required	Not typically required; follow your doctor's specific instructions
Report Time	3 Days
Recommended For	Patients with T-cell acute lymphoblastic leukaemia (T-ALL) undergoing or after treatment; children, adolescents, and adults of all ages
Price	Starting at ₹19,000

What is a Flow Cytometry Test for Minimal Residual Disease (MRD) in T-ALL?

The flow cytometry test for MRD in T-ALL uses a method called flow cytometry to detect tiny numbers of leukaemia cells remaining in the bone marrow after treatment. It is ordered for patients diagnosed with T-cell acute lymphoblastic leukaemia (T-ALL), a cancer of immature white blood cells. Also called MRD flow cytometry for T-ALL or the T-ALL MRD Panel, this test is far more sensitive than a standard microscopic examination. A Bone marrow aspirate/peripheral blood sample is collected for analysis.

What Does a Flow Cytometry Test for MRD in T-ALL Measure?

This test identifies and counts any abnormal T-cells (leukaemia cells) still present in the bone marrow after treatment begins. The following markers and measurements are analysed:

Parameter	What It Shows
Leukaemia-associated immunophenotypes (LAIPs)	Abnormal patterns of cell surface markers unique to the original leukaemia clone
T-cell surface markers (CD2, CD3, CD4, CD5, CD7, CD8, CD10, CD34, CD45, CD48, CD56, CD99, HLA-DR)	Specific proteins on cell surfaces that help identify and distinguish residual leukaemia cells
Residual T-lymphoblast percentage	Proportion of abnormal T-cells remaining, expressed as a percentage of all nucleated cells
MRD status	Classified as positive (at or above 0.01%) or negative (below 0.01%)

Why is a Flow Cytometry Test for MRD in T-ALL Done?

This test plays an important role in understanding how well T-ALL treatment is working and whether leukaemia cells remain after therapy.

Common Symptoms That May Require This Test

Persistent fatigue or tiredness
Frequent infections that do not resolve easily
Unexplained fever or high temperature
Easy bruising or unusual bleeding
Shortness of breath or breathing difficulty
Swollen lymph nodes in the neck, armpit, groin, or chest
A general feeling of being unwell

Conditions This Test Can Help Detect

Measuring treatment response after chemotherapy
Detecting residual leukaemia cells that remain even when standard tests show remission
Assessing the risk of disease returning (relapse)
Guiding decisions about further treatment, including stem cell transplantation

Flow Cytometry Test for MRD in T-ALL for Chronic Disease Monitoring

MRD testing is a key part of ongoing T-ALL management. It is typically performed at several points during treatment: at the end of induction therapy (around Day 29), after consolidation therapy, and before or after stem cell transplantation. Patients with a positive MRD result at any of these points may have their treatment plan modified to reduce the risk of relapse.

How to Prepare and What to Expect

Preparing well for this test helps ensure a good-quality sample and an accurate result.

Do You Need to Fast?

Fasting is not generally required for this test. However, your doctor may give you specific instructions based on your overall treatment plan, so always follow their guidance.

Practical Tips Before Your Test

The following steps will help you prepare for your appointment:

Bring a detailed clinical history, including your symptoms, previous laboratory and bone marrow reports, diagnosis details, and current or prior treatment information, as these are important for accurate test interpretation.
Inform your doctor about all medications you are currently taking; do not stop any medication without being told to do so.
Tell your doctor if you have a bleeding disorder or any clotting problems.
Wear comfortable, loose-fitting clothing for easier access to the hip area.
Arrange for someone to take you home after the procedure, as you may feel drowsy if a sedative is given.

Step-by-Step Procedure

Here is what to expect:

Bone marrow aspirate

The bone marrow aspirate for this test is collected by a trained medical professional in a clinical setting.

You will be asked to lie on your side or stomach; most samples are taken from the back of the hip bone (iliac crest).
The skin over the area is cleaned, and a local anaesthetic (numbing medicine) is injected into the skin and the surface of the bone.
A special needle is inserted into the bone, and a small amount of bone marrow fluid is drawn out using suction.
The sample is collected in a sodium heparin (green-top) tube; approximately 3 mL is required.
The needle is removed, pressure is applied to the site, and a bandage is placed over it.

Peripheral blood

If a peripheral blood sample is advised, a healthcare professional will draw blood from a vein in your arm using a sterile needle and collection tube.

After collection, the puncture site is covered with a small dressing.
The sample is stored at 2 to 8°C and sent to the laboratory promptly for processing.

Factors That Can Affect Accuracy

The following factors can influence the reliability of your MRD test result:

Haemodilution (blood mixing with the bone marrow sample), which can cause an underestimation of residual leukaemia cells.
Delayed sample handling; cells must reach the laboratory within 48 hours of collection for best results.
Inadequate sample volume or poor cell quality.
Using the wrong anticoagulant in the collection tube.
Changes in marker expression due to prior treatment can affect how cells are identified.

Understanding Your Flow Cytometry Test for MRD in T-ALL Results

Your results will be reviewed by a haematologist or oncologist, along with your treatment history and clinical condition. The table below gives a general guide to what MRD levels mean:

MRD Level	Result	Interpretation
Less than 0.01% (or undetectable)	Negative	No detectable residual leukaemia cells; suggests a good response to treatment
0.01% or above	Positive	Residual leukaemia cells are present, which may indicate a higher risk of relapse

These ranges are general guidelines. Your doctor will interpret your results based on your age, health history, and other factors. Always consult a qualified healthcare professional for personalised medical advice.

Results During Special Conditions

Certain factors can affect how results are read:

Haemodilution of the bone marrow sample can make the cell count appear lower than it actually is, which may lead to a false-negative result.
Delayed handling of the sample causes cells to deteriorate, altering their surface marker patterns and making accurate classification more difficult.
Treatment itself can alter the expression of key markers such as CD3, CD4, CD5, CD7, and CD45, which must be accounted for in the analysis.

How to Support Your Health During Treatment

While MRD levels are determined by treatment response, you can support your overall health during this period:

Attend every scheduled follow-up appointment so that MRD is monitored at all key treatment time points.
Report any new symptoms, such as fever, unusual fatigue, bleeding, or frequent infections, to your care team without delay.
Maintain good nutrition and adequate rest throughout your treatment course.

Lupin Diagnostics Flow Cytometry Test for MRD in T-ALL Price

The flow cytometry test for MRD in T-ALL price starts at ₹19,000 and requires a visit to a Lupin Diagnostics centre; home collection is not available for this test, as bone marrow aspiration must be performed by a trained professional in a clinical setting.

City	Approximate Price (₹)
BHOPAL	19000
HYDERABAD	19000
NAVI MUMBAI	19000
PUNE	19000
NAGPUR	19000
INDORE	19000

Prices are indicative and may vary by location. Please confirm the current price at the time of booking.

How to Book

Select the test on the Lupin Diagnostics website.
Choose your city and preferred centre location.
Visit the centre at your scheduled time for sample collection.
Receive your report via email or WhatsApp within 3 days.

Frequently Asked Questions

Complete remission means no leukaemia cells are visible under a microscope, typically fewer than 5% blasts in the bone marrow. The MRD test is far more sensitive and can detect as few as one leukaemia cell among 10,000 normal cells. A patient can be in remission by standard criteria but still have a positive MRD result.

T-ALL originates in and primarily affects the bone marrow, so testing marrow directly gives the most accurate picture of residual disease. A blood sample alone may not reflect the true level of leukaemia cells remaining. However, in certain clinical situations, a peripheral blood sample may also be used at the treating doctor’s discretion and in accordance with laboratory protocol.

A local anaesthetic is used to numb the area, so you should not feel the needle entering the bone. You may feel brief pressure during the procedure and a sharp pulling sensation for a few seconds as the marrow is drawn out. This discomfort passes quickly.

Testing is typically done at the end of induction therapy (around Day 29), after consolidation, and before or after stem cell transplantation. Your haematologist will set the exact schedule based on your treatment protocol and your response.

A positive result means residual leukaemia cells were detected. Your doctor may consider adjusting your treatment, for example by intensifying chemotherapy or discussing stem cell transplantation. The result is always interpreted alongside your full clinical picture.

Yes, in some circumstances. Blood mixing with the bone marrow sample (haemodilution) or delays in getting the sample to the laboratory can reduce accuracy. This is why proper collection technique and prompt sample dispatch are essential.