Reticulocyte count


The number of reticulocytes (young red blood cells) circulating in blood, usually less than 1 percent of the total number of red blood cells. Elevation of the reticulocyte count above 1 percent (reticulocytosis) is a sign of rapid red blood cell production.

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    An elevation in the number of reticulocytes (young red blood cells) in blood, a sign of unusually rapid red blood cell production. The number of reticulocytes is normally less than 1% of the total number of the red blood cells. A higher proportion (above 1%) constitutes reticulocytosis.

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