When the principal diagnosis is one of these 41 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
C96.5E71.310–E71.32 (7 codes)E71.40–E71.548 (20 codes)E80.4–E80.7 (4 codes)E88.40–E88.49 (5 codes)H49.811–H49.819 (4 codes)