When the principal diagnosis is one of these 76 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A17.9A18.6A18.82A18.84A18.89H70.001–H70.93 (40 codes)H93.8X1–H93.8X9 (4 codes)H95.00–H95.199 (20 codes)Q16.1Q16.9Q17.3–Q17.9 (5 codes)