When the principal diagnosis is one of these 14 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A26.0
A26.8
A26.9
A28.0
A28.2
A28.9
A32.0
A32.12
A32.81
A32.9
A28.8
A32.11
A32.82
A32.89