What do the results mean?RDW results help your health care provider understand how much your red blood cells vary in size and volume. Even if your RDW results are normal, you may still have a medical condition needing treatment. That's why RDW results are usually combined with other blood measurements. This combination of results can provide a more complete picture of the health of your red blood cells and can help diagnose a variety of conditions, including:Iron deficiencyDifferent types of anemiaThalassemiaSickle cell anemiaChronic liver diseaseKidney diseaseColorectal CancerMost likely your doctor will need further tests to confirm a diagnosis.Learn more about laboratory tests, reference ranges, and understanding results.
