Flow Cytometry - CD34 ( Precursor Cell Marker )
Also Known As
Test Parameters Included
- CD34+ Cell Percentage and Absolute Count per microliter of bone marrow aspirate or peripheral blood
- Pathologist Hematopathology Remark - correlated with stem cell enumeration and hematologic disorder reference intervals
Department
Methodology
Sample Required
Preparation
Schedule Report
24-48 Hours
Emergency Report
Yes
Frequently Asked Questions
What does CD34 test measure?
CD34 is a surface marker on hematopoietic stem and progenitor cells. The test quantifies CD34+ cells to assess bone marrow stem cell content, monitor mobilization for stem cell transplantation, and aid in diagnosing certain leukemias.
Is fasting required for CD34 testing?
No, fasting is not required for CD34 flow cytometry. The test can be performed at any time during lab hours.
What is the sample type for this test?
The sample can be EDTA or Heparin whole blood (peripheral blood) or bone marrow aspirate (BMA), collected in the respective anticoagulant tubes.
How does G-CSF affect CD34 results?
Granulocyte colony-stimulating factor (G-CSF) mobilizes stem cells from bone marrow into peripheral blood, significantly increasing CD34+ counts. This is commonly used before stem cell harvest for transplantation.
What is the typical turnaround time?
Verified PDF report available within 24–48 hours via www.drpatholab.in or WhatsApp/Email.
Can recent transfusion affect CD34 results?
Yes, recent blood transfusion may introduce donor CD34+ cells and alter results. Inform your doctor about any transfusion history before testing.
Test Description
Test Code
FCM19
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