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Blood disordersDetected by blood test

Elevated blood count of eosinophils (eosinophilia)

An elevated number of eosinophils, a white blood cell that rises with allergies, parasitic infection, drug reactions, or certain cancers. Blood testing flags the elevation and prompts a search for the cause.

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Related biomarkers we test

Eosinophils (abs.)

The absolute count of eosinophils per liter of blood. Eosinophils are white blood cells involved in fighting parasitic infections and mediating allergic responses. The absolute count is more clinically meaningful than the percentage, as it directly reflects the body's eosinophilic activity regardless of total white blood cell levels.

Eosinophils

Eosinophils combat parasites and participate in allergic responses.

Related conditions in Blood disorders