Understanding This Test: What It Is, How It Is Performed, and Why It Matters for Your Health
A specialized laboratory test that uses flow cytometry technology to analyze cells from blood or bone marrow, helping doctors diagnose and classify acute leukemia.
{"This test identifies the specific type of acute leukemia (lymphoid or myeloid) by detecting unique markers on white blood cells","It helps doctors determine the most effective treatment plan for each patient","The test analyzes thousands of cells individually using laser technology","Results typically take several days to complete as the analysis is complex","This test is essential for confirming diagnosis and monitoring treatment response"}
Key facts at a glance
- LOINC
- 45270-6
- Short code
- ALP-FC
- Synonyms
- Acute leukemia Pnl Spec FC
- Category
- chemistry
- Sample
- serum
- Container
- EDTA tube (lavender/purple top) for peripheral blood; EDTA tube for bone marrow aspirate
- Units
- N/A
- Ref low
- 0
- Ref high
- 5
- Critical range
- — – 20 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 0–120 years
- Method
- flow-cytometry
- CPT
- 88104; 88106; 88188
- SNOMED
- 363358000; 188725004; 109989006
- Specimen volume
- 3-5 mL EDTA whole blood; 1-2 mL bone marrow aspirate
- Stability
- Process within 24-48 hours of collection. Keep at room temperature (18-25°C). Do not refrigerate. Transport vertically to prevent clumping.
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 48–168 hours
- Order
- routine
What is this test, what exactly does it measure in my body, and why has my doctor ordered it for me at this time?
The Acute Leukemia Panel by Flow Cytometry is a sophisticated diagnostic test that examines cells from your blood or bone marrow sample. Flow cytometry is a technology that uses lasers to analyze physical and chemical characteristics of cells as they pass through a laser beam one by one. This test specifically looks for special proteins (called antigens or markers) on the surface of white blood cells that help identify different types of leukemia.
How is the test performed step by step, what should I expect during the procedure, and is there any special preparation I need to do beforehand?
A healthcare provider will collect a sample of your blood or bone marrow (usually from your hip bone). The sample is then sent to a laboratory where technicians mix it with special antibodies that bind to specific markers on leukemia cells. These antibodies are tagged with fluorescent dyes. When the cells pass through the flow cytometer's laser, the dye emits light that is measured by detectors. This process analyzes thousands of cells individually and provides detailed information about each cell type present.
Why is this test important for my overall health, and how will my doctor use the results to guide my diagnosis, treatment, and follow-up care?
This test is crucial for diagnosing acute leukemia because it can distinguish between different subtypes of the disease. Acute leukemia is broadly divided into two main types: acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML). Within each type, there are further subtypes. The specific classification determined by flow cytometry helps oncologists choose the most appropriate targeted therapy and predict how the disease might respond to treatment.
Reference range
Reference ranges vary by cell population analyzed. Results are reported as percentage and absolute count of positive cells for each marker. Interpretation requires correlation with morphology and clinical findings. Normal peripheral blood: blasts <5%; abnormal populations not detected.N/A
No fasting required. Inform patient that test assesses blood cell markers for leukemia classification. Collect preferably before transfusion. Avoid weekend collection if possible due to processing constraints.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings2
Frequently asked questions
How long does it take to get results?
Does this test require fasting?
Is the test painful?
What do the results tell my doctor?
Will I need this test again?
Sources
- 1
- 2
- 3
- 4
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy