The CBC parameter that gives insight as to the amount of anisocytosis present in a specimen is:

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RDW, or red cell distribution width, is a measure of the variation in size of red blood cells. It is calculated by dividing the standard deviation of red blood cell volume by the mean corpuscular volume. A higher RDW indicates greater variation in the size of red blood cells, or anisocytosis. Therefore, RDW is the parameter that gives insight into the amount of anisocytosis present in a specimen. MCHC (mean corpuscular hemoglobin concentration) is a measure of the concentration of hemoglobin in a single red blood cell, MCV (mean corpuscular volume) is a measure of the average size of red blood cells, and Hgb (hemoglobin) is a measure of the amount of hemoglobin in the blood. Although these parameters may be affected by anisocytosis, they do not directly indicate its presence.

The CBC Parameter That Gives Insight as to the Amount