Monocytes (Mono#)

Immune cells that bridge innate and adaptive immunity.

What it is

Monocytes are large immune cells that can differentiate into macrophages and dendritic cells. They play roles in inflammation, pathogen clearance, and immune regulation.

Why it matters

Elevated monocytes can indicate chronic inflammation, infection, or certain cancers (monocytosis). Low monocytes during chemotherapy reflect generalised bone marrow suppression. Tracking them provides additional context on immune status.

How to test

Full blood count differential.

This information is for educational purposes only. Always discuss testing and interpretation of results with your care team.

Optimal range

0.2–1.0 ×10⁹/L.

How often

Each chemotherapy cycle.