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Iron deficiency is the most common nutritional disorder worldwide and accounts for approximately one-half of anemia cases. The diagnosis of iron deficiency anemia is confirmed by the findings...
The diagnosis of iron deficiency (low iron stores, as measured by iron studies or other testing) is a major public health goal and an important aspect of the care of many adults. This topic will review the causes of iron deficiency in adults and an approach to the diagnostic evaluation.
If you're diagnosed with iron deficiency anemia, you may need tests to look for a source of blood loss, including tests to examine your gastrointestinal tract. Here's some information to help you get ready for your appointment, and what to expect from your doctor.
Laboratory test results help stage iron deficiency anemia. Stage 1 is characterized by decreased bone marrow iron stores; hemoglobin (Hb) and serum iron remain normal, but the serum ferritin level falls to < 30 ng/mL ( < 67.4 pmol/L).
Iron-deficiency anemia is diagnosed by blood tests that should include a complete blood count (CBC). Additional tests may be ordered to evaluate the levels of serum ferritin, iron, total iron-binding capacity, and/or transferrin.