Abnormal Erythrocyte Morphology Abnormal Mean Corpuscular Hemoglobin Abnormal MCH Anomalies in the average levels of hemoglobin contained in an erythrocyte. SCDO:1000632 MP:0001589 Sufficient Abnormal Mean Corpuscular Hemoglobin Level Abnormal Mean Cell Hemoglobin Abnormal Mean Cell Hemoglobin Level