When the principal diagnosis is one of these 32 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
T17.400AT17.408AT17.410AT17.418AT17.420AT17.428AT17.490AT17.498AT17.500AT17.508AT17.510AT17.518AT17.520AT17.528AT17.590AT17.598AT17.800AT17.808AT17.810AT17.818AT17.820AT17.828AT17.890AT17.898AT17.900AT17.908AT17.910AT17.918AT17.920AT17.928AT17.990AT17.998A