When the principal diagnosis is one of these 12 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
J22J95.1–J95.3 (3 codes)J95.821–J95.822 (2 codes)J98.8–J98.9 (2 codes)N80.B1N80.B31–N80.B39 (3 codes)