Ferritin (Ferr)
Iron storage protein. The most sensitive marker of iron deficiency before anemia develops.
Typical normal range
Men: 30–400 · Women: 13–150 ng/mL
If high ↑
Iron overload, inflammation, liver disease, hemochromatosis
If low ↓
Iron depletion/deficiency: fatigue, hair loss, restless legs syndrome
What is a normal Ferritin level?
A typical reference range is Men: 30–400 · Women: 13–150 ng/mL. Ranges vary between laboratories and can depend on age and sex, so compare your result with the range printed on your own report.
What does a high Ferritin level mean?
Iron overload, inflammation, liver disease, hemochromatosis. A single result rarely gives a diagnosis on its own; your doctor will interpret it alongside your symptoms and other tests.
What does a low Ferritin level mean?
Iron depletion/deficiency: fatigue, hair loss, restless legs syndrome. Your doctor will interpret it alongside your symptoms and other tests.
About the Vitamins & Minerals
Vitamin and mineral tests look for deficiencies that can cause tiredness, anemia, weak bones or nerve problems. Many are easy to correct once found.
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Medical disclaimer: Reference ranges vary by laboratory, age, sex, and clinical context. This page is for educational purposes only and is not a diagnosis. Always discuss your results with a qualified healthcare professional.