Medicine Which of the following findings is diagnostic of iron deficiency anemia? A Increased TIBC, decreased serum ferritin B Decreased TIBC, decreased serum ferritin C Increased TIBC, increased serum ferritin D Decreased TIBC, increased serum ferritin 💡 Explanation Which of the following findings is diagnostic of iron deficiency anemia? ✓ Correct Answer: A. Increased TIBC, decreased serum ferritin