Practice question

Answer the question and get instant feedback.

ModerateGastroenterologyIron Deficiency Anemiaus-abimus-usmle-step-3

A 52-year-old man on long-term PPI for GERD has iron deficiency anemia. After negative EGD/colonoscopy, what is the next best diagnostic step?

Practice more on iatroX

Educational content. Not a substitute for clinical judgement or local policy.