S45.00Header code — not billable
Unspecified injury of axillary artery
- 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 arteryS45.001Unspecified 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 sideS45.009AUnsp injury of axillary artery, unsp side, init encntrYes
Frequently asked questions
What is ICD-10 code S45.00?
S45.00 is an ICD-10-CM diagnosis code for Unspecified injury of axillary artery.
Is S45.00 a billable code?
No. S45.00 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 S45.00 in?
S45.00 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S45.00 become effective?
S45.00 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S45.00?
S45.00 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.