When the principal diagnosis is one of these 54 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A49.9N10–N11.0 (2 codes)N11.8–N12 (3 codes)N13.6N15.1N28.82N28.84–N28.9 (5 codes)N30.00–N30.31 (8 codes)N30.80–N30.91 (4 codes)N36.9N39.0N39.9N80.A0–N80.A69 (15 codes)N99.511P39.2–P39.9 (5 codes)R30.0R30.9R82.71T83.511A