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).
J22
J39.8
J95.00
J95.09
J98.01
J98.09
J98.8
J98.9
J95.01
J95.02
J95.03
J95.04