Ferritin Lab Test

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Latest Edit: Hector 2014-03-24 (EDT)

See Also Lab Tests

Ferritin refers to the main storage form of iron in the body. Decreased blood ferritin levels is reflective of tissue ferritin levels, which in turn is indicative of decreased iron storage found in iron deficiency anemia. Ferritin is the most sensitive test to detect iron deficiency.[1],[2]

Patient Preparation

  • Fasting is not required

Clinical Implications

High levels indicate:

  • running an ESR currently can help determine if the high ferritin is due to inflammation.

Low levels indicate:

Associated Tests


  1. Pagana Kathleen D, Pagana Timothy J, (1998) Mosby's Manual of Diagnostic and Laboratory Tests, Mosby, Inc
  2. Weatherby Dicken, Ferguson Scott (2002) Blood Chemistry and CBC Analysis: Clinical Laboratory Testing from a Functional Perspective, Bear Mountain