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 ...

A blood test can reveal your mean corpuscular hemoglobin (MCH) level. Mean corpuscular hemoglobin (MCH) is a measurement of the average amount of hemoglobin within a red blood cell. MCH that's ...