WBC Count: Results and Values (Leukocyte Count, White Blood Cell Count, WBC Count)

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Alternate Names : Leukocyte Count, White Blood Cell Count, WBC Count

A normal white blood cell count ranges from 4,500 to 10,000 cells/mcl (cells per microliter) of blood.

Abnormally low numbers of white blood cells may be caused by:

bone marrow failure

a bone marrow tumor

a substance in the body that is toxic to these cells

liver disease

spleen disease

radiation

Abnormally high numbers of white blood cells may be caused by:

allergy

emotional or physical stress

infectious diseases

inflammatory diseases

tissue damage

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WBC Count: Preparation & Expectations

Author: David T. Moran, MD
Reviewer: Eileen McLaughlin, RN, BSN
Date Reviewed: 05/04/01

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