Neutrophil Blood Test

A neutrophil blood test measures the number and percentage of neutrophils in the blood. Neutrophils are a type of white blood cell that play an important role in the body’s immune response to infection and inflammation.

During the test, a small sample of blood is taken from a vein in the arm and sent to a laboratory for analysis. The normal range for neutrophil levels is typically between 40% and 60% of the total white blood cell count.

Higher levels of neutrophils may indicate the presence of an infection, inflammation, stress, or other medical conditions. Neutrophils can also be elevated in response to certain medications, such as corticosteroids.

A healthcare provider may order a neutrophil blood test as part of a comprehensive evaluation for a variety of medical conditions. The test can help diagnose and monitor conditions such as bacterial or viral infections, inflammation, autoimmune disorders, and certain types of cancer.

This page is provided for educational and informational purposes only and does not constitute the provision of medical advice or professional services. The information provided should not be used for diagnosing or treating a health problem or disease, and those seeking personal medical advice regarding any of the tests and conditions referenced above are advised to consult with a licensed clinician. Always seek the advice of your qualified health provider regarding a medical condition and do not disregard professional medical advice or delay in seeking it because of any information on this page. If you think you may have a medical emergency, immediately call 911 or go to the nearest urgent care center or hospital.


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