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 ...

This article was reviewed by Felix Gussone, MD. In this guide, we’ll break down what most biomarker lab tests measure, how to prepare for them, and what to do once you receive your results. Not ...

What Is an MCV Blood Test? MCV stands for mean corpuscular volume. An MCV blood test measures the average size of red blood cells, which have the critical job of carrying oxygen to your organs. If ...