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 …

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.

Jul 23, 2021 · White blood cells help your immune system protect your body against infection. These cells make up 1% of the blood in your body.

Dec 2, 2025 · Normal white blood cell counts vary between males and females, though many laboratories use combined reference ranges. The standard adult reference range typically falls …

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 …

Test results may vary depending on your age, gender, health history, and other things. Your test results may be different depending on the lab used. They may not mean you have a problem.

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). …

This article explains what WBCs are, what they do, why their levels matter, the normal ranges across different age groups, and what doctors usually think when the count goes outside the …

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 …

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 …