When the principal diagnosis is one of these 46 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
C33–C34.92 (17 codes)C39.9C45.7–C45.9 (2 codes)C46.50–C46.52 (3 codes)C7A.00C7A.090C7A.098–C7B.00 (4 codes)C7B.1C76.1C76.8C78.00–C78.1 (4 codes)C78.30–C78.39 (4 codes)C80.0–C80.1 (2 codes)D49.1D49.81–D49.9 (3 codes)