Medically reviewed by Michael Menna, DOKey TakeawaysThe MCV test measures the size of your red blood cells.A normal MCV for adults is between 80 and 100 femtoliters.MCV levels can indicate conditions ...

A high MCV may result from hemolysis, primary vitamin B 12 or folate deficiency, intrinsic factor deficiency, myelodysplasia, or hepatic dysfunction, as occurs in alcoholism. 1,6 Oval macrocytes are ...