Rdw: The RDW blood test normal

The RDW blood test normal range enables red blood cells to carry oxygen throughout the body. Read to know about rdw blood test uses. RDW stands for Red Cell Distribution Width. It is included in the complete blood count test as it measures the variation in size and volume of red blood cells. RDW blood tests measure the size and volume of your red blood cells. They are used to help diagnose anemia and other blood disorders. Learn more. The RDW blood test assesses the size of red blood cells and how equal they are. It is a part of the complete blood count (CBC) and is measured in percentage. The normal RDW range is 12-15 % however, the reference range may slightly vary depending on the laboratory. Typically, the standard size (diameter)of red blood cells ranges between 6-8 micrometers. The RDW blood test measures the difference in the size and volume of your red blood cells. Healthcare professionals use the RDW test to get ...