Monocytes are a special type of white blood cell found in the body that ward off infection. Having too low or too high of a count can cause problems. More »

A high monocyte count may be caused by tuberculosis, leukemia, a parasite infection, chronic inflammatory disease or a viral infection, states MedlinePlus. Types of viral infections include mumps, measles or infectious m... More » Health Conditions & Diseases

Leukemia, parasitic infections, tuberculosis, chronic inflammatory disease and viral infections are all potential causes of a high monocyte count, reports MedlinePlus. Monocytes are a type of white blood cell. More » Health Medical Ranges & Levels

The number of monocytes, which are a type of white blood cell, in the blood often increases in response to an infection in the body. These cells work with other leukocytes to remove the tissue damaged by infection, accor... More »

Monocytes are a white blood cell that help the body to fight off infections. A low number of monocytes, called monocytopenia, is the result of a decrease in the overall level of white blood cells. More »

A high white blood cell count in the urine is often a sign of an infection, states WebMD. The presence of either nitrites or leukocyte esterase means that when the lab examines the urine sample under a microscope, more w... More »

A low neutrophil count, or neutropenia, is clinically significant because neutrophils are a type of white blood cell that help fight off infection. Patients become more vulnerable to infectious diseases, especially bacte... More »