When the principal diagnosis is one of these 23 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A74.81–A74.9 (3 codes)A88.1A96.0–A96.9 (5 codes)A98.3–A98.5 (3 codes)B25.8–B25.9 (2 codes)B33.24–B34.2 (7 codes)B34.4–B34.8 (2 codes)