ICD-10 Code: M33.22 – Polymyositis with myopathy

ICD-10 code M33.22 corresponds to Polymyositis with myopathy. This code is classified under the chapter M33 Dermatopolymyositis, which is part of the M30-M36: Systemic connective tissue disorders category.

The parent chapter is Diseases of the musculoskeletal system and connective tissue.