When the principal diagnosis is one of these 15 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
T78.00XAT78.01XAT78.02XAT78.03XAT78.04XAT78.05XAT78.06XAT78.070AT78.071AT78.079AT78.080AT78.081AT78.089AT78.09XAT88.6XXA