A red blood cell (RBC) count measures the number of red blood cells in a sample of blood. It is part of a battery of tests called a complete blood count (CBC) that measures the different types and ...
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 ...