M84.329Header code — not billable

Stress fracture, unspecified humerus

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M84
Effective date
October 1, 2026

Related codes in category M84

Frequently asked questions

What is ICD-10 code M84.329?

M84.329 is an ICD-10-CM diagnosis code for Stress fracture, unspecified humerus.

Is M84.329 a billable code?

No. M84.329 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 M84.329 in?

M84.329 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M84.329 become effective?

M84.329 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M84.329?

M84.329 belongs to category M84, 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.