When the principal diagnosis is one of these 151 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
C82.50–C82.5A (11 codes)C83.10–C83.1A (11 codes)C84.40–C86.41 (121 codes)C88.40–C88.41 (2 codes)C96.4C96.Z–C96.9 (2 codes)D49.81–D49.9 (3 codes)