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Monocyte Percentage
All NiaHealth tests are processed in Canadian-certified labs, which are highly trusted by the medical community for their accuracy and reliability. Blood and urine samples are collected by licensed medical professionals and processed using state-of-the-art equipment. NiaHealth is SOC2 Type 2 certified.
What is it?
Monocyte percentage shows what portion of your white blood cells are monocytes. These are large immune cells that travel through the blood before moving into tissues, where they become macrophages. Macrophages clear out dead cells and debris, help repair damaged tissue, and signal other immune cells when a threat is detected.
Why it matters
Before modern analysers, a raised monocyte percentage was a known marker of slow-burning, ongoing inflammation rather than the sharp spike seen with acute infection. That pattern still holds. While neutrophils respond to immediate threats, monocytes tend to rise with longer-lasting conditions such as chronic infections like tuberculosis, inflammatory bowel disease, or autoimmune conditions. A persistently high monocyte percentage, confirmed over several months, can in rare cases point to a blood disorder called Chronic myelomonocytic leukemia (CMML). A mildly elevated reading during or after an illness is common and usually not a concern. Because all white blood cell percentages must add up to 100%, a high neutrophil count can make the monocyte percentage look lower than it really is, so trend and absolute count both matter.
Reference ranges
This information is educational and does not replace medical advice, diagnosis, or treatment. Your results should be interpreted with a qualified healthcare professional in the context of your health history.
