label: Erythrocyte Distribution Width Measurement
label_lc: erythrocyte distribution width measurement
description: "An index of the variation in the size of the red cells and can be used to detect subtle degress of anisocytosis. It is computed directly from the RBC histogram and is calculated as a standard statictical value, the coefficient of variation of the red cell volume ditribution (ratio of standard deviation and mean copuscular volume)."