The block M15–M19 of ICD-10 is titled “Arthrosis”. It is part of Chapter XIII, Diseases of the musculoskeletal system and connective tissue, and holds 5 groups.
What M15–M19 excludes
Conditions that look similar but belong under another code.
- osteoarthritis of spine M47.-
Coding notes
- In this block the term osteoarthritis is used as a synonym for arthrosis or osteoarthrosis. The term primary has been used with its customary clinical meaning of no underlying or determining condition identified.
Codes in M15–M19
- M16.0Primary coxarthrosis, bilateral
- M16.1Other primary coxarthrosis
- M16.2Coxarthrosis resulting from dysplasia, bilateral
- M16.3Other dysplastic coxarthrosis
- M16.4Post-traumatic coxarthrosis, bilateral
- M16.5Other post-traumatic coxarthrosis
- M16.6Other secondary coxarthrosis, bilateral
- M16.7Other secondary coxarthrosis
- M16.9Coxarthrosis, unspecified
- M18.0Primary arthrosis of first carpometacarpal joints, bilateral
- M18.1Other primary arthrosis of first carpometacarpal joint
- M18.2Post-traumatic arthrosis of first carpometacarpal joints, bilateral
- M18.3Other post-traumatic arthrosis of first carpometacarpal joint
- M18.4Other secondary arthrosis of first carpometacarpal joints, bilateral
- M18.5Other secondary arthrosis of first carpometacarpal joint
- M18.9Arthrosis of first carpometacarpal joint, unspecified
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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