ICD-10-CM Diagnosis Code M33.29
Diagnosis Code: M33.29 (Raw: M3329)
Description: Polymyositis with other organ involvement
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code M33.29 is designated for Polymyositis with other organ involvement. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.