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Calculators
Health Calculators
Hematology
Mentzer Index

Mentzer Index

Differentiate Iron Deficiency Anemia from Thalassemia trait.

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About Mentzer Index

The Mentzer Index is a valuable diagnostic tool designed to help differentiate between Iron Deficiency Anemia (IDA) and Thalassemia trait, two common causes of microcytic anemia. Primarily utilized by clinicians and laboratory professionals, this index offers a simple, cost-effective method for initial screening. It leverages the ratio of Mean Corpuscular Volume (MCV) to Red Blood Cell (RBC) count, providing a quick interpretative value from routine complete blood count results. A Mentzer Index greater than 13 typically suggests IDA, while a value less than 13 is more indicative of Thalassemia trait. This helps guide further diagnostic investigations, preventing misdiagnosis and ensuring appropriate patient management.

Next Steps
Absolute Neutrophil Count (ANC)
Calculate absolute neutrophil count (ANC) using differential.
Absolute Eosinophil Count (AEC)
Calculate absolute eosinophil count from WBC and differential.
Absolute Lymphocyte Count (ALC)
Assess absolute lymphocyte levels for immune status.
Absolute Reticulocyte Count (ARC)
Raw reticulocyte count adjusted for RBC count.
Reticulocyte Count (Corrected)
Corrected for hematocrit level.
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Blood Indices & Ratios
Blood Indices & Ratios

Calculate erythrocyte indices, the Mentzer index for anemia differentiation, and protein ratios.

Medical Disclaimer
This tool is for educational and screening purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.