Neutropenia laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Daniel A. Gerber, M.D. [2]

Overview

Neutropenia is diagnosed based off of the cell differential of a complete blood count.

Laboratory Findings

Neutropenia is detected on a full blood count. A peripheral blood smear is often useful to evaluate for abnormal morphology of the visible cells, which may help suggest the underlying cause. Additional laboratory studies include evaluation of metabolic abnormalities, genetic causes neutropenia, and toxic causes.