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)A96.2A98.3–A98.4 (2 codes)B26.2B26.82–B26.83 (2 codes)B26.85–B26.9 (3 codes)B33.24B33.4–B33.8 (2 codes)B34.1–B34.2 (2 codes)B34.4–B34.8 (2 codes)B92B94.2–B94.9 (3 codes)