If your RDW is too high, it could be an indication of a nutrient deficiency, ... If your RDW islow, there are no hematologic disorders associated with a low RDW result. Outlook.

Sideroblastic anemia (too much iron in the blood cells) Vitamin B12 and folate deficiency; Low RDW. Low RDW means there is ...

RDW stands for "red cell distribution width." It is a way of measuring how varied the shape and size of red blood cells are in a sample.