A high white blood cell count is associated with cancers of the blood-forming tissues, such as acute lymphocytic leukemia, acute myelogenous leukemia and chronic myelogenous leukemia, explains Mayo Clinic. Caused by an o... More »

A high white blood cell count may indicate anemia, infection, allergic reaction or leukemia, states MedlinePlus. Other causes include extensive tissue damage, cigarette smoking and severe mental or physical stress. Takin... More »

www.reference.com Health Medical Ranges & Levels

A high white blood cell count can be caused by a variety of factors, including infections, immune system disorders, bone marrow illnesses and certain viruses, according to Mayo Clinic. Cigarette smoking and high stress l... More »

A vitamin D deficiency does not cause a high white blood cell count, according to Mayo Clinic and WebMD. A high white blood cell count, known as leukocytosis, occurs when the body fights infection, reacts to medication, ... More »

A high white blood cell count affects the ability to donate blood, since it is a sign of infection, disease, drug reaction or immune system disorder that must be resolved before donating, state Mayo Clinic and the Americ... More »

Chronic leukemia is the name of a group of cancers that affect the body's hematopoietic system, as stated by the Cleveland Clinic Center for Continuing Education. These include chronic myelogenous leukemia, or CML; chron... More »

www.reference.com Health Conditions & Diseases Cancer

In adults, a white blood cell count of over 11,000 white blood cells per microliter of blood is typically considered high, although normal ranges vary from practice to practice, states Mayo Clinic. The normal range is 4,... More »