Optimize
← All biomarkers
Immune System

Monocytes

White blood cells that are part of the innate immune system.

What is Monocytes?

Monocytes can change with infection, inflammation, and recovery. They are typically interpreted together with total leukocytes and the differential across other white cell types. Trends help separate a temporary response from a recurring pattern.

Why is Monocytes relevant?

Monocytes are part of your innate immunity — they patrol through the blood and turn into macrophages once they reach tissue, where they clean up debris and pass signals along. A higher count often tracks with recovery after infection, inflammatory activity, or chronic immune load. For people with cyclical symptoms, this marker can move with their pattern of strain and recovery.

How to read Monocytes in context

Monocytes are part of the differential picture — only meaningful alongside total leukocytes and the distribution across the other white blood cells. A mildly elevated count right after an infection is often a normal recovery response, not a sign of something persistent. Trends across measurements help distinguish single spikes from a real pattern.

Monocytes is one of 100+ biomarkers in the Optimize panel. Book a blood draw at any of 238+ partner labs in the Netherlands, or upload your existing results in the app.

See the full panel