Abnormal Mean Corpuscular Hemoglobin Concentration Increased Mean Corpuscular Hemoglobin Concentration High Mean Corpuscular Haemoglobin Concentration Sufficient HP:0025548 Increased MCHC SCDO:1000636 Increased Mean Corpuscular Haemoglobin Concentration High MCHC High Mean Corpuscular Hemoglobin Concentration Greater than the normal Hgb/Hct; the average hemoglobin concentration in a given volume of packed red cells, calculated from the hemoglobin therein and the hematocrit, in erythrocyte indices.