Ferritin blood test

Ferritin blood test measures the level of ferritin in blood circulation. Ferritin is a kind protein that showshow much iron is stored in your body. Ferritin blood test measures the amount of this protein and provides information about your iron storage.

Why the Ferritin Blood Test is performed ?

Your doctor may request ferritin blood test if your have symptoms like fatigue, weakness, irritability, low libido, body aches. Your doctor requests complete blood count (CBC) for first step. If your hemoglobin level is low in hemogram/CBC result  additional laboratory tests will be needed to diagnose the cause of anemia. Ferritin blood test is one of these blood tests to detect the anemia’s cause is iron deficiency or not. In iron deficiency, body’s iron stores will be empty so your blood ferritin  level will be decreased. Low ferritin level confirms the iron deficiency diagnosis. Ferritin blood test also may be done for high iron level problems like hemochromatosis or hemosiderosis. In this way diagnosis and treatment of the problem will be easier.

ferritin test

Low Ferritin Level Symptoms

  • Fatigue
  • Headaches: sometimes headaches may be chronic
  • Irritability
  • Weakness
  • Shortness of breath
  • Decreased energy

Ferritin Normal Levels

  • Man: 24-336 ng/mL (nanograms/mL)
  • Woman: 12-150 ng/mL
  • Newborn baby: 25-200 ng/mL
  • 1 months old baby: 200-600 ng/mL
  • 2-5 months old baby: 50-200 ng/mL
  • 6-15 years old children: 7-140 ng/mL

Abnormal Ferritin Blood Test Results

Low Ferritin Level Causes

Low ferritin level means that your iron stores are empty. This usually caused by iron deficiency anemia.>

  • Iron deficiency anemia
  • Excessive menstrual bleeding
  • Pregnancy
  • Low iron in diet
  • Intestinal bleeding by cancer, ulcer, etc.
  • Hemorrhoids
  • Inteestinal absorption problems
  • Internal bleedings

High Ferritin Level Causes

  • Hemochromatosis
  • Hemosiderosis
  • Liver diseases
  • Hyperthyroidism
  • Leukemia
  • Lymphoma
  • Diabetes
  • Frequent blood transfusions
  • Rheumatoid arthritis
  • Iron poisoning


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