Serum Iron
What is it?
Iron is needed for hemoglobin synthesis and oxygen transport. Serum levels fluctuate throughout the day.
Normal ranges
Men: 12–31 µmol/L. Women: 9–30 µmol/L.
Units: µmol/L
Causes of deviations
Low levels:
Iron deficiency anemia, blood loss, chronic disease.
High levels:
Hemochromatosis, iron supplement overdose, hemolysis.
When to see a doctor
If abnormal — ferritin and TIBC are usually checked too.
This information is for educational purposes and does not replace medical advice.
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