73 yr female. Chronic anemia hgb 9.5-10.1, MCV 112. RDW 20, Vit B12 1270pg/ml, normal iron studies and ferritin, abnormal peripheral smear +target cells, elliptocytes, polychromasia, burr cells, poikilocytosis, anisocytosis, doctor wants to do iron infusions, but does not look like iron deficiency. had gastric bypass years ago, take 1mg B12 orally daily, has not done additional labs like retic count, others. seems like further workup needed. iron studies have been normal for duration of anemia