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Bone marrow aspirate and biopsy with flow cytometry for immunophenotyping (guided by specific clinical or laboratory criteria)

Published: August 9, 2026Updated: August 16, 2026

This test examines cells from a small sample of bone marrow taken during a procedure to check for abnormalities in your blood or immune system.

Quick summary

["Bone marrow tests help diagnose conditions like blood cancers or genetic disorders by analyzing cell types and structure."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
75669-2
Short code
RF Guided Bone mar Bx
Synonyms
RF Guided Bone mar Bx
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
rf
CPT
86430
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What Is Bone Marrow Testing Used For?

Bone marrow tests are often performed when doctors suspect blood disorders, such as leukemia, lymphoma, or other hematologic cancers. They may also be used to evaluate genetic conditions affecting blood cells or to monitor treatment progress in patients with known blood-related diseases.

Procedure Overview

During the procedure, a needle is inserted into your hip bone (usually the iliac crest) to collect a small amount of bone marrow fluid and a core sample of bone. The fluid is then analyzed separately from the core biopsy. This is typically done under local anesthesia to minimize discomfort.

How Are Results Interpreted?

Results from bone marrow tests are reviewed by a pathologist or hematologist. They assess cell types, counts, and structure to identify any abnormal growths, genetic mutations, or other irregularities. Flow cytometry, a specialized technique, may be used to identify specific cell markers in the fluid sample.

Potential Risks and Considerations

While generally safe, bone marrow procedures carry some risks, including bruising, bleeding, or infection at the injection site. Rarely, complications like nerve damage or allergic reactions may occur. You may experience mild discomfort or soreness after the procedure.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Bone marrow tests play a critical role in diagnosing and managing blood disorders. They provide detailed information about the health of your bone marrow, which produces blood cells. Abnormal findings can lead to further testing or treatment plans tailored to your condition, such as chemotherapy, stem cell transplantation, or targeted therapies.

Frequently asked questions

Why might I need this test?
Your doctor may recommend this test if you have symptoms like fatigue, frequent infections, easy bruising, unexplained weight loss, or if tests like blood counts or imaging studies suggest a blood disorder.
How long does it take to get results from this test?
Results from bone marrow tests can take several days to a couple of weeks, depending on the complexity of the analysis and whether additional tests are needed. Your healthcare provider will discuss the timeline with you before the procedure.
Is there anything I should avoid before the test?
Avoid heavy exercise or strenuous activities for 24 hours before the procedure. Follow any specific instructions your doctor provides, such as fasting or stopping certain medications, to ensure accurate results.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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