Ferritin, Serum – F0002
Test Overview
The Ferritin, Serum test measures the level of ferritin, a vital protein that stores iron in the body. Ferritin acts as an indicator of total iron reserves and plays a crucial role in diagnosing iron-related disorders.
This test is widely used to evaluate iron deficiency, detect iron overload conditions, and monitor chronic diseases that may affect iron metabolism. Since ferritin reflects the body's stored iron, it is considered one of the most reliable markers for assessing iron status.
Why This Test is Important
Ferritin levels help clinicians understand whether the body has sufficient iron to support essential functions like oxygen transport and energy production.
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Low ferritin levels indicate depleted iron stores, often leading to iron deficiency anemia
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High ferritin levels may suggest iron overload or underlying inflammation, liver disease, or chronic illness
This test is commonly recommended for individuals experiencing fatigue, weakness, pale skin, or suspected nutritional deficiencies.
When is the Test Recommended?
Your doctor may advise a Ferritin test if you have:
- Symptoms of anemia (fatigue, dizziness, shortness of breath)
- Suspected iron deficiency or malnutrition
- Chronic infections or inflammatory conditions
- Liver disorders
- Conditions like hemochromatosis (iron overload disorder)
- Monitoring response to iron therapy
Sample Type
Preparation
- Fasting is not usually required
- Inform your doctor about any supplements or medications, especially iron supplements
Normal Reference Range
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Men: 24 – 336 ng/mL
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Women: 11 – 307 ng/mL
(Reference ranges may vary slightly depending on the laboratory)
Understanding the Results
Low Ferritin Levels May Indicate:
- Iron deficiency anemia
- Chronic blood loss (e.g., heavy menstruation)
- Poor dietary intake
- Malabsorption disorders
High Ferritin Levels May Indicate:
- Iron overload (hemochromatosis)
- Chronic inflammation or infection
- Liver disease
- Certain cancers
Clinical Significance
Ferritin is not only a marker of iron storage but also an acute-phase reactant, meaning its levels may increase in response to inflammation. Therefore, results are often interpreted alongside other tests like:
- Serum Iron
- Total Iron Binding Capacity (TIBC)
- Transferrin Saturation
- Complete Blood Count (CBC)
Who Should Get Tested?
- Individuals with unexplained fatigue or weakness
- Pregnant women
- Patients with chronic illnesses
- People on long-term restrictive diets
- Individuals undergoing iron therapy
Key Benefits of the Test
- Early detection of iron deficiency
- Helps prevent anemia-related complications
- Assists in diagnosing iron overload conditions
- Supports monitoring of treatment effectiveness
Additional Information
Ferritin testing is a simple yet powerful diagnostic tool that provides deep insight into your body’s iron balance. Maintaining optimal iron levels is essential for overall health, immunity, and energy.