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Reticulocytes are immature red blood cells freshly released from your bone marrow, still containing residual RNA. Your reticulocyte count reflects real-time bone marrow red blood cell production. It is essential for classifying anemias as either production problems or destruction problems.
Also known as: Retic, Retic Count, Retics, Reticulocitos, Reticulocyte Count, Reticulocytes, Réticulocytes, Reticulocytes %
High reticulocytes mean bone marrow is ramping up production after blood loss, hemolysis, or treatment response. Low reticulocytes with anemia indicate bone marrow failure.
Standard range is 0.5-2.0%. A reticulocyte production index above 2.0 confirms adequate bone marrow response to anemia.