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 ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

Medically reviewed by Doru Paul, MD Key Takeaways A high monocyte count can mean your body is fighting inflammation from ...