ICD-10-CM chapter 13 · M00-M99
Diseases of the musculoskeletal system and connective tissue
About chapter 13
24 code blocks
- M00-M25Arthropathies0 categories
- M00-M02Infectious arthropathies3 categories
- M04Autoinflammatory syndromes1 categories
- M05-M14Inflammatory polyarthropathies10 categories
- M15-M19Osteoarthritis5 categories
- M20-M25Other joint disorders6 categories
- M26-M27Dentofacial anomalies [including malocclusion] and other disorders of jaw2 categories
- M30-M36Systemic connective tissue disorders7 categories
- M40-M54Dorsopathies0 categories
- M40-M43Deforming dorsopathies4 categories
- M45-M49Spondylopathies5 categories
- M50-M54Other dorsopathies4 categories
- M60-M79Soft tissue disorders0 categories
- M60-M63Disorders of muscles4 categories
- M65-M67Disorders of synovium and tendon3 categories
- M70-M79Other soft tissue disorders7 categories
- M80-M94Osteopathies and chondropathies0 categories
- M80-M85Disorders of bone density and structure5 categories
- M86-M90Other osteopathies5 categories
- M91-M94Chondropathies4 categories
- M95Other disorders of the musculoskeletal system and connective tissue1 categories
- M96Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified1 categories
- M97Periprosthetic fracture around internal prosthetic joint1 categories
- M99Biomechanical lesions, not elsewhere classified1 categories
Chapter notes
Note
- 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)