A mean corpuscular volume (MCV) test is a blood test that measures the size and volume of your red blood cells. Red blood cells help carry oxygen from the lungs to other body parts. An MCV test is ...

Patients with a low MCV are likely to have iron deficiency anemia, although thalassemia and anemia of chronic disease are part of the differential. 1 When the MCV is low, the serum ferritin level can ...

A mean corpuscular volume (MCV) is a type of blood test that measures the size of your red blood cells. A low MCV means that your red blood cells are smaller than average, possibly indicating iron ...