S42.343Header code — not billable

Displaced spiral fracture of shaft of humerus, unspecified arm

Short description: Displaced spiral fracture of shaft of humerus, unsp arm

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 S42.343?

S42.343 is an ICD-10-CM diagnosis code for Displaced spiral fracture of shaft of humerus, unspecified arm.

Is S42.343 a billable code?

No. S42.343 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 S42.343 in?

S42.343 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S42.343 become effective?

S42.343 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S42.343?

S42.343 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.