RDW
Red blood cell distribution width measures how much the size of the red blood cells varies.
Why it matters: Red blood cells of very different sizes may be a sign of anemia.
Source · Cleveland Clinic — what it is, why it matters, related conditions
Reference Range
11.5 – 14.5%
11.514.5LowNormalHigh
Associated Conditions
Anaemia or a related condition, which a high result may be a sign of
Related Markers
Common questions
What is RDW?
Red blood cell distribution width measures how much the size of the red blood cells varies.
What might a high or low RDW mean?
Red blood cells of very different sizes may be a sign of anemia.
What is the typical reference range for RDW?
The general-population reference range shown here is 11.5 – 14.5 %. Reference ranges describe the general population and are not a personal target — discuss your results with your physician.
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