M33.29

Billable

Polymyositis with other organ involvement

M33.29 is the ICD-10-CM code for Polymyositis with other organ involvement. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
M00-M99
Parent
M33.2
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M33.29?
M33.29 is the ICD-10-CM code for "Polymyositis with other organ involvement". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M33.29 a billable code?
Yes — M33.29 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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