When the principal diagnosis is one of these 225 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A02.24A17.9A18.03–A18.09 (2 codes)A18.82A18.84A18.89H05.021–H05.029 (4 codes)M46.20–M46.39 (19 codes)M86.00–M86.9 (195 codes)