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).
M99.16–M99.17 (2 codes)M99.19S03.1XXAS33.30XAS33.39XAS73.011AS73.012AS73.013AS73.014AS73.015AS73.016A