Eosinophil Count

Eosinophil Count is a topic covered in the Davis's Lab & Diagnostic Tests.

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Synonym/Acronym:
Eos count, total eosinophil count.

Rationale
To assist in diagnosing conditions related to immune response such as asthma, dermatitis, and hay fever. Also used to assist in identification of parasitic infections.

Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.

Normal Findings
Method: Manual count using eosinophil stain and hemocytometer or automated analyzer.

Absolute count: 50 to 500 cells/microL [SI units (0.05–0.5 × 109/L)]

Relative percentage: 1% to 4%

Critical Findings and Potential Interventions
N/A

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