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Eos count, total eosinophil count.

Common Use:
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.

Whole blood collected in a lavender-top (EDTA) tube.

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%

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