M86Header code — not billable

Osteomyelitis

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M86
Effective date
October 1, 2026

Related codes in category M86

Frequently asked questions

What is ICD-10 code M86?

M86 is an ICD-10-CM diagnosis code for Osteomyelitis.

Is M86 a billable code?

No. M86 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 M86 in?

M86 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M86 become effective?

M86 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M86?

M86 belongs to category M86, which includes 12 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.