M84.339Header code — not billable

Stress fracture, unspecified ulna and radius

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 M84.339?

M84.339 is an ICD-10-CM diagnosis code for Stress fracture, unspecified ulna and radius.

Is M84.339 a billable code?

No. M84.339 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 M84.339 in?

M84.339 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M84.339 become effective?

M84.339 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M84.339?

M84.339 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.