When the principal diagnosis is one of these 22 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
M47.011–M47.029 (10 codes)M47.11–M47.13 (3 codes)M47.21–M47.23 (3 codes)M47.811–M47.813 (3 codes)M47.891–M47.893 (3 codes)