What does Mean Corpuscular Volume measure?

Mean Corpuscular Volume (MCV) is a laboratory measurement that assesses the average size of red blood cells (RBCs). It is calculated by dividing the total volume of red blood cells by the number of red blood cells in a given volume of blood. This measurement is crucial in evaluating and diagnosing various forms of anemia and other blood disorders.

For instance, an increased MCV might indicate macrocytic anemia, where red blood cells are larger than normal, often due to a deficiency in vitamin B12 or folate. Conversely, a decreased MCV may suggest microcytic anemia, commonly associated with conditions like iron deficiency.

Understanding MCV helps healthcare practitioners make informed decisions about further diagnostic testing and treatment plans, making it an integral part of a complete blood count (CBC).