Diseases of the musculoskeletal system and connective tissue (M00-M99) notes Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition excludes2 arthropathic psoriasis (L40.5-) certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) compartment syndrome (traumatic) (T79.A-) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) |
Arthropathies (M00-M25) |
Infectious arthropathies (M00-M02) |
Autoinflammatory syndromes (M04) |
Inflammatory polyarthropathies (M05-M14) |
Osteoarthritis (M15-M19) |
Other joint disorders (M20-M25) |
Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27) |
Systemic connective tissue disorders (M30-M36) |
Dorsopathies (M40-M54) |
Deforming dorsopathies (M40-M43) |
Spondylopathies (M45-M49) |
Other dorsopathies (M50-M54) |
Soft tissue disorders (M60-M79) |
Disorders of muscles (M60-M63) |
Disorders of synovium and tendon (M65-M67) |
Other soft tissue disorders (M70-M79) |
Osteopathies and chondropathies (M80-M94) |
Disorders of bone density and structure (M80-M85) |
Other osteopathies (M86-M90) |
Chondropathies (M91-M94) |
Other disorders of the musculoskeletal system and connective tissue (M95) |
Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified (M96) |
Periprosthetic fracture around internal prosthetic joint (M97) |
Biomechanical lesions, not elsewhere classified (M99) |