Calculator
Mentzer Index Calculator
Differentiate iron deficiency anemia from beta-thalassemia trait using the Mentzer index.
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Formula & Clinical Notes
Formula
Mentzer Index = MCV / RBC
Clinical Notes
A Mentzer index below 13 suggests beta-thalassemia trait; above 13 suggests iron deficiency anemia. It is a screening tool for microcytic anemias and does not replace confirmatory testing.
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