Absolute Eosinophil Count Test
What is AEC?
Absolute eosinophil count is increased in allergic or atopic disease, infectious disorders (including parasites), medications, immunologic reactions, skin disorders, pulmonary syndromes, rheumatologic diseases, myeloproliferative neoplasms, and secondary to other malignancies.
Why is AEC done?
- If you have signs or symptoms that suggest an allergy to one or more substances. Signs and symptoms may include red itchy eyes, coughing, nasal congestion, asthma, dermatitis or abdominal pain
- It is also ordered routinely in parasitic infections
- Early stages of Cushing’s disease
Interpreting AEC results
- A normal blood sample has less than 350 eosinophil cells/microlitre of blood
- High absolute eosinophil count is usually associated with allergic diseases or infections from worms. Some common diseases are asthma, hay fever, eczema