M33.2 is the ICD-10 code for Polymyositis. It is a four-character subcategory of M33 (Dermatopolymyositis), the most specific level in the WHO edition. It belongs to the block M30–M36 (Systemic connective tissue disorders) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Subcategory (4 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
M33.2 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M33.2Polymyosit
M33.2Polymyositt
DM332Polymyositis
M33.2Polymyosiitti
M33.2Polymyositis
M33.2Polymyosite
M33.2polymyositis
Listed through more specific codes:
- M33.20Polymyositis, organ involvement unspecified
- M33.21Polymyositis with respiratory involvement
- M33.22Polymyositis with myopathy
- M33.29Polymyositis with other organ involvement
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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