When the principal diagnosis is one of these 46 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
E09.52G89.0–G89.4 (10 codes)I70.261–I70.269 (5 codes)I96R41.0–R41.3 (4 codes)R41.82R41.9R44.8–R44.9 (2 codes)R45.83–R45.84 (2 codes)R46.0–R46.7 (8 codes)R52R68.0–R68.19 (5 codes)R68.81–R68.83 (3 codes)R68.89–R69 (2 codes)