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Ferritin, Serum Test
 

Ferritin, Serum Test

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Performed at your local Quest Diagnostics.

Fasting Required: No

Specimen: Blood

Results: 2 Business days

Description:
Ferritin is a protein that stores iron in the cells and reflects the amount of iron in the body. It is primarily found in the liver, spleen, skeletal muscles and bone marrow. Levels decrease when a person is not getting sufficient iron and increase when they take in an excess of iron. Iron deficiency may not cause any symptoms at first. As it becomes more severe, a person may experience symptoms such as chronic fatigue, weakness, dizziness, headaches and pale skin. Iron overload may cause symptoms such as joint pain, fatigue, weakness, abdominal pain, hair loss, weight loss and heart problems.

Methodology:
Immunoassay (IA)

Limitations:
Liver dysfunction and other factors can cause a reduction in the clearance of serum ferritin resulting in an increase in serum ferritin levels. Ferritin is an acute phase reactant that may be elevated in a wide-range of inflammatory conditions and infections. Clinical studies suggest the sensitivity may be 35-48% and specificity of 75-78% to detect iron deficiency.

Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.
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