When the principal diagnosis is one of these 12 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
T67.01XA
T67.02XA
T67.09XA
T67.1XXA
T67.2XXA
T67.3XXA
T67.4XXA
T67.5XXA
T67.6XXA
T67.7XXA
T67.8XXA
T67.9XXA