Medically reviewed by Anju Goel, MD You may need an MPV test if you show symptoms that suggest an issue with your platelet size or number.An MPV test involves drawing a blood sample from a vein and ...
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 ...