Note
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Type 2 Excludes
  • 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)
  • 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-M95 Other disorders of the musculoskeletal system and connective tissue
  • M96-M96 Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified
  • M99-M99 Biomechanical lesions, not elsewhere classified