When the principal diagnosis is one of these 54 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
E09.51–E09.59 (3 codes)E10.51–E10.59 (3 codes)E11.51–E11.59 (3 codes)E13.51–E13.59 (3 codes)I27.841–I27.849 (3 codes)I71.00–I71.9 (31 codes)I77.810–I77.819 (4 codes)I87.8–I87.9 (2 codes)I99.8–I99.9 (2 codes)