When the principal diagnosis is one of these 29 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
J10.08
J22
J45.20
J45.998
J98.4
J98.8
J98.9
N80.B1
N80.B39
R91.1
J45.21
J45.22
J45.31
J45.32
J45.41
J45.42
J45.51
J45.52
J45.901
J45.902