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Reticulocyte Count and Reticulocyte Hemoglobin Content

Reference Range

The reticulocyte count is used to estimate the degree of effective erythropoiesis,
which can be reported as absolute reticulocyte count or as a reticulocyte percentage.

The reference range of the reticulocyte percentage in adults is 0.5%-1.5%.

The reference range of the corrected reticulocyte percentage in adults is 0.5%-1.5%.

Note that the reference ranges for automated reticulocyte count (absolute reticulocyte count), immature reticulocyte fraction (IRF), and reticulocyte specific hemoglobin content (mean reticulocyte hemoglobin content [CHr] and reticulocyte hemoglobin equivalent [Ret-He]) vary owing to the different methods and different instruments used. Each laboratory should determine reference values according to their own methods and instruments. A comparison of different reference ranges as reported by different authors can be found in a review published article by Piva et al.

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