S40.929Header code — not billable

Unspecified superficial injury of unspecified upper arm

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S40
Effective date
October 1, 2026

Related codes in category S40

Frequently asked questions

What is ICD-10 code S40.929?

S40.929 is an ICD-10-CM diagnosis code for Unspecified superficial injury of unspecified upper arm.

Is S40.929 a billable code?

No. S40.929 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 S40.929 in?

S40.929 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S40.929 become effective?

S40.929 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S40.929?

S40.929 belongs to category S40, 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.