M33.1 is the ICD-10 code for Other dermatomyositis. 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
M33.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M33.1Annan dermatomyosit
M33.1Annen dermatomyositt
DM331Anden dermatomyositis
M33.1Muu dermatomyosiitti
M33.1Sonstige Dermatomyositis
M33.1Autres dermatomyosites
M33.1overige dermatomyositis
Listed through more specific codes:
- M33.10Other dermatomyositis, organ involvement unspecified
- M33.11Other dermatomyositis with respiratory involvement
- M33.12Other dermatomyositis with myopathy
- M33.13Other dermatomyositis without myopathy
- M33.19Other dermatomyositis 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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