The Absolute Eosinophil Count (AEC) blood test is done as part of a Complete Blood Count (CBC) test. A CBC is a routine blood test that provides essential information about the different types of blood cells and their levels in the bloodstream. The AEC is one of the parameters measured in the CBC to assess eosinophil levels accurately. The AEC blood test is done for the following purposes: 1. : The AEC helps in the diagnosis and monitoring of eosinophilia, which is an elevated eosinophil count in the blood. Eosinophils are a type of white blood cell involved in the immune response against parasites and certain allergens. Elevated eosinophil levels can be associated with various health conditions, such as allergies, asthma, infections, certain inflammatory disorders, and parasitic infections. Monitoring the AEC helps track changes in eosinophil levels and the effectiveness of treatment. 2. : Eosinophilia can be a sign of underlying health conditions. Measuring the AEC can help identify the specific cause of eosinophilia, such as allergies, infections, autoimmune disorders, or other factors. 3. : The CBC, including the AEC, is part of routine health check-ups to assess overall health and detect potential health issues. It provides valuable information about the immune system and blood cell levels. 4. : Preoperative CBC tests, including the AEC, may be conducted to assess the patient's general health status before surgery. The AEC is an important parameter in assessing the risk of bleeding and infection during surgery. It's important to work with a healthcare professional to interpret the AEC result and determine the underlying cause of eosinophilia, if present. Early diagnosis and appropriate treatment are crucial for better health outcomes.