Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including red blood cells that transport oxygen, nutrients 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 ...

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 typically takes less than five ...