S42.231Header code — not billable

3-part fracture of surgical neck of right humerus

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S42
Effective date
October 1, 2026

Related codes in category S42

Frequently asked questions

What is ICD-10 code S42.231?

S42.231 is an ICD-10-CM diagnosis code for 3-part fracture of surgical neck of right humerus.

Is S42.231 a billable code?

No. S42.231 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 S42.231 in?

S42.231 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S42.231 become effective?

S42.231 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S42.231?

S42.231 belongs to category S42, 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.