S55.009Header code — not billable

Unspecified injury of ulnar artery at forearm level, unspecified arm

Short description: Unsp injury of ulnar artery at forearm level, unsp arm

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S55
Effective date
October 1, 2026

Related codes in category S55

Frequently asked questions

What is ICD-10 code S55.009?

S55.009 is an ICD-10-CM diagnosis code for Unspecified injury of ulnar artery at forearm level, unspecified arm.

Is S55.009 a billable code?

No. S55.009 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 S55.009 in?

S55.009 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S55.009 become effective?

S55.009 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S55.009?

S55.009 belongs to category S55, 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.