S45.991Header code — not billable

Other specified injury of unspecified blood vessel at shoulder and upper arm level, right arm

Short description: Inj unsp blood vessel at shldr/up arm, right arm

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S45
Effective date
October 1, 2026

Related codes in category S45

S45Injury of blood vessels at shoulder and upper arm levelS45.0Injury of axillary arteryS45.00Unspecified injury of axillary arteryS45.001Unspecified injury of axillary artery, right sideS45.001AUnsp injury of axillary artery, right side, init encntrYesS45.001DUnsp injury of axillary artery, right side, subs encntrYesS45.001SUnspecified injury of axillary artery, right side, sequelaYesS45.002Unspecified injury of axillary artery, left sideS45.002AUnsp injury of axillary artery, left side, init encntrYesS45.002DUnsp injury of axillary artery, left side, subs encntrYesS45.002SUnspecified injury of axillary artery, left side, sequelaYesS45.009Unspecified injury of axillary artery, unspecified side

Frequently asked questions

What is ICD-10 code S45.991?

S45.991 is an ICD-10-CM diagnosis code for Other specified injury of unspecified blood vessel at shoulder and upper arm level, right arm.

Is S45.991 a billable code?

No. S45.991 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 S45.991 in?

S45.991 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S45.991 become effective?

S45.991 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S45.991?

S45.991 belongs to category S45, 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.