Eosinophil count - absolute

Eosinophils; Absolute eosinophil count

An absolute eosinophil count is a blood test that measures the number of white blood cells called eosinophils. Eosinophils become active when you have certain allergic diseases, infections, and other medical conditions.

Blood cells

Blood is comprised of red blood cells, platelets, and various white blood cells.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean

Risks

Considerations