When the principal diagnosis is one of these 29 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A15.0–A15.6 (4 codes)A15.8–A15.9 (2 codes)A17.9A18.82A18.84A18.89J22J90J92.0–J92.9 (2 codes)J94.0–J94.9 (5 codes)J98.4J98.8–J98.9 (2 codes)N80.B1–N80.B39 (5 codes)R09.1R91.1