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An RDW blood test measures your red blood cells’ variation in size and volume. Along with other tests, an RDW blood test can help your healthcare provider diagnose anemia.
RDW tests measure how uniform your red blood cells are in size. Learn about the causes & consequences of irregular sized cells here.
A red cell distribution width (RDW) blood test helps measure variation in red blood cell volume and size. Learn why it’s performed and how to read results.
Reasons for RDW test or the red blood indices include as part of a routine physical exam, a family history of blood disorders, or signs of anemia. This article looks at the RDW blood test, what a typical RDW level is, and what it means if your RDW is too low or too high.
What do the results mean? RDW results help your 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 that needs treatment. That's why your provider will usually look at your RDW results along with the results of other blood tests.
The red cell distribution width (RDW) blood test measures how equal your red blood cells are in size. One of several tests included in a complete blood count (CBC) , RDW is measured as a percentage. The normal range for RDW in adults is 12% to 15%.
A red cell distribution width (RDW) test is a type of blood test that indicates variations in the size of a person’s red blood cells. It can confirm an anemia diagnosis and help determine...