Gastrointestinal Evaluation of Iron Deficiency Anemia

Publication Date: August 15, 2020
Last Updated: March 14, 2022

Recommendation Statements 

In patients with anemia, the AGA recommends using a cutoff of 45 ng/mL over 15 ng/mL when using ferritin to diagnose iron deficiency. (High, Strong)
Comment: In patients with inflammatory conditions or chronic kidney disease, other laboratory tests such as C-reactive protein, transferrin saturation, or soluble transferrin saturation, may be needed in conjunction with ferritin to diagnose iron deficiency anemia.
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Overview

Title

Gastrointestinal Evaluation of Iron Deficiency Anemia

Authoring Organization