The Absolute Eosinophil Count (AEC) is a specific component of a complete blood count (CBC) with differential. It measures the exact number of eosinophils present in a cubic millimeter of your blood.
This count is considered more clinically useful than just the percentage of eosinophils, as it provides a true measure of the total population of these cells.
Eosinophils are a type of white blood cell (leukocyte) that plays a key role in the immune system. Their main functions are: