M15Header code — not billable

Polyosteoarthritis

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M15
Effective date
October 1, 2026

Related codes in category M15

M15.0Primary generalized (osteo)arthritisYesM15.1Heberden's nodes (with arthropathy)YesM15.2Bouchard's nodes (with arthropathy)YesM15.3Secondary multiple arthritisYesM15.4Erosive (osteo)arthritisYesM15.8Other polyosteoarthritisYesM15.9Polyosteoarthritis, unspecifiedYes

Frequently asked questions

What is ICD-10 code M15?

M15 is an ICD-10-CM diagnosis code for Polyosteoarthritis.

Is M15 a billable code?

No. M15 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is M15 in?

M15 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M15 become effective?

M15 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M15?

M15 belongs to category M15, which includes 7 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.