8 definitions of MU. Definition of MU in Business & Finance. What does MU stand for?
A diagram showing different types of white blood cells, including monocytes. Monocytes can be counted as part of a diagnostic blood test. It's important for patients to discuss the results of their monocytes blood test with their doctor. Macrophages promote tissue growth and repair following an injury. Stress may cause a high monocyte count.
The normal range for monocytes in white blood cells is  2 to 8 percent; any result higher than 8 is considered abnormal, notes MedlinePlus. Monocytes are one of the five types of white blood cells that normally appear in the blood.