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 between males …

Mar 14, 2024 · 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 orders a …

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 laboratories …

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 11,000/microliter (μL).

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). Normal value …

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, varying by age, sex, …

Test results that are higher than normal may mean that you have an infection or illness that your body is fighting. Test results that are lower than normal may mean that your immune system isn't working as …

The normal white blood cell count range for healthy adults is typically between 4,000 and 11,000 white blood cells per microliter of blood (4.0-11.0 ×10⁹/L).

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 (leukopenia), …