ICD-10 chapter
Chapter XIII Diseases of the musculoskeletal system and connective tissue
Chapter XIII of ICD-10 is titled “Diseases of the musculoskeletal system and connective tissue”. It spans codes M00–M99, in 6 blocks.
What Chapter XIII excludes
Conditions that look similar but belong under another code.
- certain conditions originating in the perinatal period P00-P96
- certain disorders of the temporomandibular joint K07.6
- certain infectious and parasitic diseases A00-B99
- compartment syndrome T79.6
- complications of pregnancy, childbirth and the puerperium O00-O99
- congenital malformations, deformations and chromosomal abnormalities Q00-Q99
- endocrine, nutritional and metabolic diseases E00-E90
- injury, poisoning and certain other consequences of external causes S00-T98
- neoplasms C00-D48
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified R00-R99
Blocks in Chapter XIII
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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