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A normal white blood cell count can mean your immune system is functioning as it should. The normal white blood cell count range is typically between 4,000 and 11,000/microliter (μL).
The normal white blood cell count in a healthy adult is between 4,000 and 11,000 WBCs per microliter (μl or mcL) or cubic millimeter (mm3) of blood, though this may differ between males and females, and healthy children and young people usually have more.
A normal white blood cell count is generally about 4,500 to 11,000/μL. White blood cell counts that are too high or too low may be dangerous, depending on the cause. A high white blood cell count is called leukocytosis, which is generally diagnosed when white blood cell levels exceed 11,000/μL.
A high white blood cell count is an increase in cells in the blood that fight infections. What's considered high in a white blood cell count varies from one lab to another. This is because laboratories set their own reference ranges based on the populations they serve.
A white blood cell count test measures the number of white blood cells in a sample of blood. Many conditions, including infections, medications, inflammatory diseases, and blood or bone marrow disorders, can cause an abnormal WBC count.
White blood cells (leukocytes) are an important part of the body’s defense against infectious organisms and foreign substances (the immune system). The number of white blood cells (white cell count) is normally less than 11,000 cells per microliter of blood (11 × 109 per liter).
The white blood cell count (WBC) is a component of a complete blood cell count (CBC) and is the enumeration of white blood cells in a small volume of whole blood. The testing is performed...