Because mean corpuscular volume, or MCV, measures the size of a patient's red blood cells, or RBCs, a low MCV number indicates smaller-than-normal RBCs. Small RBCs indicate a condition known as microcytic anemia, which h... More »

A low MCV indicates that the red blood cells are microcytic and are smaller than average with a volume of less than 80 femtoliters, according to the American Academy of Family Physicians. The most common cause of a low m... More »

A high mean corpuscular volume, or MCV, indicates that a person's red blood cells have a larger average size than normal. An MCV level that is above average is called macrocytosis. More »

A high mean corpuscular volume, or MCV, indicates that a person's red blood cells have a larger average size than normal. An MCV level that is above average is called macrocytosis. More »

A raised MCV, or mean corpuscular volume, means the red blood cells are larger than they should be, explains the American Association for Clinical Chemistry. Counting red blood cells and measuring their size helps diagno... More »

A low mean corpuscular volume (MCV) indicates that the size of a person's red blood cells is below average, and a low mean corpuscular hemoglobin (MCH) measurement indicates a person's blood has low hemoglobin levels. More »

In a blood test, MCV represents the mean corpuscular volume, which is a measure of the average size of the red blood cells. The MCV is a red blood index that is part of a complete blood count test. The blood test is p... More »

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