When the principal diagnosis is one of these 30 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
I26.02I26.04–I26.09 (2 codes)I26.92–I26.94 (3 codes)I26.96–I26.99 (2 codes)I27.20–I27.83 (9 codes)I27.841–I27.9 (5 codes)I74.01–I74.10 (3 codes)I74.19I87.8–I87.9 (2 codes)I99.8–I99.9 (2 codes)