M84.321SBillable

Stress fracture, right humerus, sequela

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 M84.321S?

M84.321S is an ICD-10-CM diagnosis code for Stress fracture, right humerus, sequela.

Is M84.321S a billable code?

Yes. M84.321S is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is M84.321S in?

M84.321S falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M84.321S become effective?

M84.321S has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M84.321S?

M84.321S 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.