A differential blood count is a blood test to check your white blood cell levels, which can indicate the presence of infection, disease, or an allergic reaction. Your doctor might order it as part of ...

This article was reviewed by Felix Gussone, MD. How to Read Blood Test Results: What “Normal” Really Means for Your Health ...

A CBC is a common procedure that measures the different components in the blood. Doctors will measure different blood cell levels and compare them with the expected levels for a person of the same age ...

Dr. Omar Al-Heeti is an assistant professor of medicine at Southern Illinois University and practices internal medicine with a specialty in infectious diseases. He received his medical degree from the ...

Blood tests may be the first step in diagnosing leukemia. However, additional testing is usually needed to make an accurate diagnosis. Leukemia is cancer that starts in bone marrow stem cells. These ...

Your blood is made up of red blood cells, white blood cells, platelets, and plasma. White blood cells only make up about 1% of your blood, but they have an important function. As part of your immune ...