CD1a, Flow Cytometry Test: Booking, Price, and Results
About CD1a, Flow Cytometry Test: Booking, Price, and Results
| Field | Value |
|---|---|
| Also Known As | CD1a Pan T-Cell Marker Test, CD1a Immunophenotyping, Flow Cytometry CD1a, T6 Antigen Flow Cytometry |
| Sample Type | Bone marrow aspirate (Sodium Heparin or EDTA tube) |
| Fasting Required | No |
| Report Time | 3 Days |
| Recommended For | All genders and ages; primarily ordered when leukaemia, lymphoma, or histiocytosis is suspected |
| Price | Starting at ₹2,300 |
What is a CD1a, Flow Cytometry Test?
The CD1a flow cytometry test identifies and measures cells that carry a protein called CD1a on their surface. CD1a is found on specific immune cells, including Langerhans cells and certain immature T cells. Doctors order this test when they suspect conditions such as blood cancers or histiocytic disorders. The test is also known as CD1a Immunophenotyping or T6 Antigen Flow Cytometry, and it uses a bone marrow sample analysed through a method called flow cytometry.
What Does a CD1a, Flowcytometry Test Measure?
The CD1a, flow cytometry test analyses a bone marrow sample to detect and count cells expressing the CD1a protein. Here is what the test examines:
CD1a protein expression: Detects whether cells carry the CD1a protein on their surface, which is characteristic of Langerhans cells, dendritic cells, and certain immature T cells.
Cortical thymocytes (immature T cells): CD1a is expressed by immature T cells in the thymus and by some T-cell cancers; detecting these cells helps narrow down a diagnosis.
Percentage of CD1a-positive cells: Counts the proportion of white blood cells expressing CD1a, giving a picture of immune cell activity and possible abnormal proliferation.
Why is a CD1a, Flowcytometry Test Done?
This test is ordered when a doctor suspects certain immune system disorders or blood cancers. The sections below outline the common reasons for requesting it.
Common Symptoms That May Require This Test
Several symptoms may prompt a doctor to order the CD1a flow cytometry test. These include:
- Unexplained skin rashes or persistent skin lesions
- Swollen lymph nodes without a clear cause
- Bone pain that cannot be explained by injury
- Unexplained fever lasting more than a few days
- Unusual fatigue or weakness
- Unexplained weight loss
- Enlarged liver or spleen detected during a physical examination
Conditions This Test Can Help Detect
The CD1a, flow cytometry test helps identify several conditions. These include:
- Langerhans cell histiocytosis (LCH), a disorder caused by an overgrowth of Langerhans cells
- T lymphoblastic leukaemia and lymphoma, particularly the cortical subtype
- Cortical T-cell stage neoplasms, where immature T cells express both CD1a and other early T-cell markers
- Histiocytic disorders that need to be distinguished from one another
CD1a, Flowcytometry Test for Chronic Disease Monitoring
For patients already diagnosed with Langerhans cell histiocytosis or T-cell leukaemia, this test may be repeated at intervals to track how well treatment is working. A reduction in CD1a-positive cells can indicate a positive response to chemotherapy. Regular monitoring helps the treating team adjust the plan as needed.
How to Prepare and What to Expect
Preparation for this test is straightforward, but there are a few practical steps that make the process smoother.
Do You Need to Fast?
No, fasting is not required before the CD1a, flow cytometry test. You can eat and drink normally before your appointment.
Practical Tips Before Your Test
A few simple steps help ensure your sample is collected without issue. Keep the following in mind:
- Bring a detailed clinical history, including your symptoms, previous test results, and any relevant medical records, as this is required for the test.
- Inform your doctor about all current medications and supplements before the test.
- Wear clothing with sleeves that can be rolled up easily, or loose-fitting clothing that gives the doctor access to the required area.
- Stay well-hydrated before your appointment.
Step-by-Step Procedure
The CD1a flow cytometry test procedure uses a bone marrow sample. Here is what to expect during your visit:
- You arrive at the Lupin Diagnostics centre and confirm your appointment details with the staff.
- A trained doctor or specialist prepares the collection site, typically the hip bone (posterior iliac crest), after applying a local anaesthetic to numb the area.
- A small needle is used to draw approximately 3 ml of bone marrow from the site. You may feel brief pressure or mild discomfort during this step.
- The sample is collected into two tubes: one Sodium Heparin (green-topped) tube and one EDTA (lavender-topped) tube.
- The tubes are labelled, stored at 2 to 8 degrees Celsius, and dispatched promptly to the laboratory. Fresh samples must reach the lab quickly to ensure accurate results.
- In the laboratory, flow cytometry specialists use fluorescent antibodies that bind to the CD1a protein, and results are reviewed by a haematologist or pathologist.
Factors That Can Affect Accuracy
Several factors can influence the reliability of results. These include:
- Delay between sample collection and laboratory processing
- Improper storage temperature (samples must remain refrigerated, not frozen)
- Use of incorrect anticoagulant tubes
- Certain medications that affect immune cell populations
- Recent infections or inflammatory conditions
- Overall health status at the time of collection
Understanding Your CD1a, Flowcytometry Test Results
Results from this test are not straightforward to interpret on your own. A specialist will review them alongside your clinical history and other findings.
| Parameter | Normal Finding | Elevated Finding | Reduced Finding |
|---|---|---|---|
| CD1a+ cells | Low percentage among white blood cells; laboratory-specific | May suggest Langerhans cell histiocytosis, cortical T-ALL, or T lymphoblastic lymphoma | Generally not significant; may indicate treatment response in diagnosed patients |
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 outside your control can influence CD1a levels. Health conditions such as Langerhans cell histiocytosis and specific types of leukaemia or lymphoma directly affect the proportion of CD1a-positive cells detected. Genetic factors and the presence of underlying disease also play a role, and these cannot be altered through lifestyle adjustments alone.
How to Maintain Healthy Levels
CD1a-positive cell levels reflect immune cell activity and are not directly modifiable through diet or exercise. However, the following general steps support overall immune health:
- Follow your treating doctor's recommendations regarding any diagnosed condition and keep all follow-up appointments.
- Maintain a balanced diet and adequate sleep to support general immune function.
- Report any new symptoms to your doctor promptly, particularly during ongoing treatment.
Lupin Diagnostics CD1a, Flowcytometry Test Price
The CD1a, flow cytometry test cost at Lupin Diagnostics starts at ₹2,300. This test requires a visit to a Lupin Diagnostics centre, as home collection is not available for this test.
| City | Approximate Price (₹) |
|---|---|
| BHOPAL | 2300 |
| CHENNAI | 2300 |
| HYDERABAD | 2300 |
| KOLKATA | 2300 |
| NAVI MUMBAI | 2300 |
| PUNE | 2300 |
Disclaimer: Prices are indicative and may vary by location. Please confirm the current price at the time of booking.
How to Book
Booking your CD1a, flow cytometry test online is simple. Follow these steps:
- 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 the stipulated turnaround time.
Frequently Asked Questions
The CD1a, flow cytometry test is a specialised diagnostic test used to detect and measure cells carrying the CD1a protein. It is primarily ordered to diagnose or monitor conditions such as Langerhans cell histiocytosis and certain types of T-cell leukaemia or lymphoma. It is not a routine screening test.
No fasting or special dietary preparation is needed. You should bring a copy of your detailed clinical history, including symptoms and any previous test results, as this information is required before testing. Also, inform your doctor about any medications or supplements you are currently taking.
This test uses a bone marrow aspirate, not a standard blood draw. A small amount of bone marrow is collected under local anaesthesia, typically from the hip bone. The procedure is performed by a trained specialist at the centre.
Results for the CD1a, flow cytometry test are typically available within 3 days of sample collection. Your report will be shared digitally via email or WhatsApp.
Abnormal results should be reviewed with a haematologist (a blood specialist) or an oncologist. They will consider your full clinical picture before drawing any conclusions. Do not attempt to interpret the results on your own, as the findings require specialist-level review.
No, home collection is not available for the CD1a flow cytometry test. The bone marrow sample must be collected at a Lupin Diagnostics centre by a qualified professional, and the sample must reach the laboratory quickly under refrigerated conditions.
Yes, for patients already diagnosed with conditions such as Langerhans cell histiocytosis or T-cell leukaemia, the CD1a, flow cytometry test may be repeated during treatment. A decrease in CD1a-positive cells can indicate that treatment is working. Your doctor will advise on how frequently monitoring is needed.
CD1a, Flow Cytometry Test: Booking, Price, and Results
