Chapter 13
M00–M99
Diseases of the musculoskeletal system and connective tissue
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
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- 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)
Notes
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- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Blocks in this chapter 24
- M00–M25Arthropathies
- M00–M02Infectious arthropathies
- M04Autoinflammatory syndromes
- M05–M14Inflammatory polyarthropathies
- M15–M19Osteoarthritis
- M20–M25Other joint disorders
- M26–M27Dentofacial anomalies [including malocclusion] and other disorders of jaw
- M30–M36Systemic connective tissue disorders
- M40–M54Dorsopathies
- M40–M43Deforming dorsopathies
- M45–M49Spondylopathies
- M50–M54Other dorsopathies
- M60–M79Soft tissue disorders
- M60–M63Disorders of muscles
- M65–M67Disorders of synovium and tendon
- M70–M79Other soft tissue disorders
- M80–M94Osteopathies and chondropathies
- M80–M85Disorders of bone density and structure
- M86–M90Other osteopathies
- M91–M94Chondropathies
- M95Other disorders of the musculoskeletal system and connective tissue
- M96Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified
- M97Periprosthetic fracture around internal prosthetic joint
- M99Biomechanical lesions, not elsewhere classified