When the principal diagnosis is one of these 49 codes, the CC/MCC codes assigned to this list count as non-CCs (MS-DRG v44 definitions manual, appendix C).
A02.21A17.0–A17.1 (2 codes)A27.81A39.0A39.89–A39.9 (2 codes)A49.3–A49.9 (3 codes)A50.41A51.41A52.13A54.82A54.84A54.89–A54.9 (2 codes)A87.0–A87.9 (5 codes)B00.3B02.1B26.1B37.5B38.4B45.1B58.2B92B94.2–B94.9 (3 codes)G00.0–G00.9 (6 codes)G03.0–G03.9 (5 codes)G04.2G61.0G96.9G98.0–G98.8 (2 codes)