Diagnostics·Diagnostics
Ferritin blood test
Informed by recognized medical guidance
Overview
A ferritin blood test measures the amount of ferritin — a protein that stores iron — in your blood. This test helps your healthcare provider see if you have too little or too much iron in your body, which can affect your overall health.
Key facts
- Ferritin is the main iron-storage protein; low ferritin often means low iron stores.
- High ferritin can indicate iron overload, infection, inflammation, or liver disease.
- The test is often done along with other iron tests (like iron, TIBC) to get a complete picture.
- Normal levels vary by age, sex, and lab – your doctor will explain your results.
Yes, ferritin testing is a common blood test used to check for iron deficiency and iron overload conditions.