When the principal diagnosis is one of these 74 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
G97.51–G97.64 (6 codes)H95.811–H95.89 (6 codes)I85.01I85.11I97.3K21.9K25.0K25.2K25.4K25.6K26.0K26.2K26.4K26.6K27.0K27.2K27.4K27.6K28.0K28.2K28.4K28.6K29.01K29.21K29.31K29.41K29.51K29.61K29.71K29.81K29.91K31.811K55.21K57.01K57.11K57.13K57.21K57.31K57.33K57.41K57.51K57.53K57.81K57.91K57.93K62.5K92.0–K92.2 (3 codes)M96.89N98.1–N98.9 (5 codes)P54.1–P54.3 (3 codes)T81.10XAT81.11XAT81.19XAT81.82XAT81.89XAT81.9XXA