Diseases of the musculoskeletal system and connective tissue (M00-M99)

Note:
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Excludes 2:
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)

Chondropathies (M91-M94)

Excludes 1:
postprocedural chondropathies (M96.-)
M91 Juvenile osteochondrosis of hip and pelvis [+]
Excludes 1: slipped upper femoral epiphysis (nontraumatic) (M93.0-)
M92 Other juvenile osteochondrosis [+]
M93 Other osteochondropathies [+]
Excludes 2: osteochondrosis of spine (M42.-)
M94 Other disorders of cartilage [+]

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