Mentzer Index for Thalassemia is a laboratory medicine tool commonly applied in Hematology. Mentzer index = MCV (fL) / RBC (million/µL). Index < 13 suggests thalassemia trait; >= 13 suggests iron deficiency. Use the interactive calculator for inputs, limitations, and primary references.

Not a substitute for clinical judgment. Verify critical values with primary literature, local protocols, and specialist input when appropriate.