Monocyte: What It Means for Your Health
Monocytes are the largest type of white blood cell. They circulate in the blood before migrating into tissues where they become macrophages — cells that engulf and destroy pathogens, dead cells, and debris. They also play a role in presenting antigens to lymphocytes, bridging innate and adaptive immunity.
Reference Range
Reference ranges may vary between laboratories, age groups, and sexes. The values shown are general adult reference ranges. Always compare your results to the specific range provided by your testing laboratory.
What Is Monocyte?
Monocytes are the largest type of white blood cell. They circulate in the blood before migrating into tissues where they become macrophages — cells that engulf and destroy pathogens, dead cells, and debris. They also play a role in presenting antigens to lymphocytes, bridging innate and adaptive immunity.
Commonly included in:
What Does High Monocyte Mean?
Elevated monocytes (monocytosis) can indicate chronic infections (tuberculosis, endocarditis), autoimmune diseases, inflammatory bowel disease, recovery from acute infection, or monocytic leukemia. Chronic monocytosis warrants further investigation.
What Does Low Monocyte Mean?
Low monocyte count is uncommon but can occur with bone marrow disorders, hairy cell leukemia, or during acute stress responses. Corticosteroid therapy can also temporarily decrease monocytes.
Related Biomarkers in Hematology
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This information is for educational purposes only and is not intended as medical advice, diagnosis, or treatment. Reference ranges may vary between laboratories. Always consult a qualified healthcare professional for interpretation of your blood test results and before making any health decisions.