Chapter: 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)

Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

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)

Section List

Arthropathies (M00-M25)

Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)

Systemic connective tissue disorders (M30-M36)

Dorsopathies (M40-M54)

Soft tissue disorders (M60-M79)

Osteopathies and chondropathies (M80-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)