Sep 26, 2025 · Learn about normal white blood cell count ranges, what the ranges mean for each age group, and why a physician might order this type of blood test.

May 21, 2025 · 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 …

During a CBC test, a special computer counts and looks at the size of red blood cells (erythrocytes), white blood cells (leukocytes) and platelets (thrombocytes). If your provider …

Mar 7, 2024 · 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 …

White blood cells work to destroy any foreign virus, fungus, or bacteria that enter your body. When you get sick, your white blood cell count is higher than normal.

Feb 3, 2025 · Your provider may order this test to help diagnose conditions such as: The normal number of WBCs in the blood is 4,500 to 11,000 WBCs per microliter (4.5 to 11.0 × 10 9 /L). …

Dec 2, 2025 · White blood cell count measures the number of infection-fighting leukocytes in the blood, with normal adult ranges typically between 4,500 and 11,000 cells per microliter, …

Jul 22, 2025 · A typical reference range for a total white blood cell count in adults is between 4,000 and 11,000 cells per microliter of blood. These normal ranges can vary slightly between …

What Is a Normal White Blood Cell Count? A normal WBC count varies slightly depending on age and health, but generally falls within the following range: If your WBC count is below 4,500 …

For adults, a normal range is generally between 4,000 and 11,000 WBCs per µL, though this can vary slightly depending on the laboratory and factors such as age, sex, and overall health. …