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Reticulocyte Count

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Also known as: Retic Count; Reticulocyte Percent; Reticulocyte Index; Corrected Reticulocyte; Reticulocyte Production Index; RPI
Formal name: Reticulocyte Count

At a Glance

Why Get Tested?

To help evaluate the bone marrow's ability to produce red blood cells (RBCs); to help distinguish between various causes of anemia; to help monitor bone marrow response and the return of normal marrow function following chemotherapy, bone marrow transplant, or post-treatment follow-up for iron deficiency anemia, vitamin B12 or folate deficiency anemia, or renal failure

When to Get Tested?

When you have a low RBC count, hemoglobin, and hematocrit and/or symptoms of anemia; when your doctor wants to evaluate bone marrow function; sometimes as part of a complete blood count (CBC)

Sample Required?

A blood sample obtained by inserting a needle into a vein in your arm or sometimes from a fingerstick or heelstick (infant)

Test Preparation Needed?