When the principal diagnosis is one of these 16 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A54.23A54.82A54.84A54.89–A54.9 (2 codes)A59.00A59.8–A59.9 (2 codes)B26.0B37.41–B37.49 (3 codes)N45.1–N45.4 (4 codes)