Posibleng Mga Sanhi para sa Pagbaba ng Mean Corpuscular Hemoglobin Iron Deficiency Anemia Rheumatoid Arthritis Polyp sa Bituka Plummer-Vinson Syndrome Cecal Adenocarcinoma Inflammatory Bowel Disease Type 1 Celiac Disease Ulcerative Colitis Malignant Gastric Neoplasm Porphyria Myeloproliferative Disease Malalang Intermittent Porphyria Thalassemia Celiac Disease sa Kabataan Polycythemia Vera Chronic na Eosinophilic Leukemia Trichuriasis Scurvy Kakulangan ng Riboflavin