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M33.21 Polymyositis with respiratory involvement
BackM33DermatopolymyositisCategory4 →M33.0Juvenile dermatomyositisCategory5 →M33.00Juvenile dermatomyositis, organ involvement unspecifiedCategoryM33.01Juvenile dermatomyositis with respiratory involvementCategoryM33.02Juvenile dermatomyositis with myopathyCategoryM33.03Juvenile dermatomyositis without myopathyCategoryM33.09Juvenile dermatomyositis with other organ involvementCategoryM33.1Other dermatomyositisCategory5 →M33.10Other dermatomyositis, organ involvement unspecifiedCategoryM33.11Other dermatomyositis with respiratory involvementCategoryM33.12Other dermatomyositis with myopathyCategoryM33.13Other dermatomyositis without myopathyCategoryM33.19Other dermatomyositis with other organ involvementCategoryM33.2PolymyositisCategory4 →M33.20Polymyositis, organ involvement unspecifiedCategoryM33.21Polymyositis with respiratory involvementCategoryM33.22Polymyositis with myopathyCategoryM33.29Polymyositis with other organ involvementCategoryM33.9Dermatopolymyositis, unspecifiedCategory5 →M33.90Dermatopolymyositis, unspecified, organ involvement unspecifiedCategoryM33.91Dermatopolymyositis, unspecified with respiratory involvementCategoryM33.92Dermatopolymyositis, unspecified with myopathyCategoryM33.93Dermatopolymyositis, unspecified without myopathyCategoryM33.99Dermatopolymyositis, unspecified with other organ involvementCategory
CategoryCODABLE
M33.21
Polymyositis with respiratory involvement
- Chapter
- XIII · Diseases of the musculoskeletal system and connective tissue
- Section
- M30-M36
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.