Given the infоrmаtiоn here, the cаse-mix index wоuld be: MS-DRG MDC Type MS-DRG Title Weight Dischаrges Geometric Mean Arithmetic Mean 191 04 MED Chronic obstructive pulmonary disease w CC 0.9184 10 3.3 4.0 192 04 MED Chronic obstructive pulmonary disease w/o CC/MCC 0.7234 20 2.7 3.2 193 04 MED Simple pneumonia & pleurisy w MCC 1.3860 10 4.6 5.7 194 04 MED Simple pneumonia & pleurisy w CC 0.9469 20 3.6 4.3 195 04 MED Simple pneumonia & pleurisy w/o CC/MCC 0.7028 10 2.8 3.3