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To assess reticulocyte count in relation to bone marrow activity toward diagnosing anemias such as pernicious iron deficiency, and hemolytic; to monitor response of therapeutic interventions.
Whole blood collected in a lavender-top (EDTA) tube.
(Method: Automated analyzer or microscopic examination of specially stained peripheral blood smear)
|Age||Reticulocyte Count %|
|Reticulocyte Count (Absolute Number)|
|Birth–older adult||0.02–0.10 (106 cells/microL)|
|Immature Reticulocyte Fraction %|
|Newborn–18 yr||23–34 pg/cell|
|Adult–older adult||30–35 pg/cell|