When the principal diagnosis is one of these 58 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
I27.841–I27.849 (3 codes)I83.001–I83.229 (45 codes)I83.90–I83.93 (4 codes)I87.2I87.339I87.8–I87.9 (2 codes)I99.8–I99.9 (2 codes)