| M00-M02 | Infectious arthropathies |
| M05-M14 | Inflammatory polyarthropathies |
| M15-M19 | Osteoarthritis |
| M20-M25 | Other joint disorders |
| M26-M27 | Dentofacial anomalies [including malocclusion] and other disorders of jaw |
| M30-M36 | Systemic connective tissue disorders |
| M40-M43 | Deforming dorsopathies |
| M45-M49 | Spondylopathies |
| M50-M54 | Other dorsopathies |
| M60-M63 | Disorders of muscles |
| M65-M67 | Disorders of synovium and tendon |
| M70-M79 | Other soft tissue disorders |
| M80-M85 | Disorders of bone density and structure |
| M86-M90 | Other osteopathies |
| M91-M94 | Chondropathies |
| M95 | Other disorders of the musculoskeletal system and connective tissue |
| M96 | Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhereclassified |
| M99 | Biomechanical lesions, not elsewhere classified |
