Probably nothing: The RDW is how the size of your red blood cells varies with the mean size of your red blood cells. There is no harm in having a low rdw. Certain types of anemia can lead to low rdw, and that may be a problem that needs to be treated.
Answered 6/10/2014
5.5k views
Nothing: Reference ranges are set so that a few percent of healthies fall outside on either end.
Answered 6/12/2015
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