S43.203Header code — not billable
Unspecified subluxation of unspecified sternoclavicular joint
Short description: Unsp subluxation of unspecified sternoclavicular joint
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S43
- Effective date
- October 1, 2026
Related codes in category S43
S43Disloc and sprain of joints and ligaments of shoulder girdleS43.0Subluxation and dislocation of shoulder jointS43.00Unspecified subluxation and dislocation of shoulder jointS43.001Unspecified subluxation of right shoulder jointS43.001AUnspecified subluxation of right shoulder joint, init encntrYesS43.001DUnspecified subluxation of right shoulder joint, subs encntrYesS43.001SUnspecified subluxation of right shoulder joint, sequelaYesS43.002Unspecified subluxation of left shoulder jointS43.002AUnspecified subluxation of left shoulder joint, init encntrYesS43.002DUnspecified subluxation of left shoulder joint, subs encntrYesS43.002SUnspecified subluxation of left shoulder joint, sequelaYesS43.003Unspecified subluxation of unspecified shoulder joint
Frequently asked questions
What is ICD-10 code S43.203?
S43.203 is an ICD-10-CM diagnosis code for Unspecified subluxation of unspecified sternoclavicular joint.
Is S43.203 a billable code?
No. S43.203 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 S43.203 in?
S43.203 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S43.203 become effective?
S43.203 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S43.203?
S43.203 belongs to category S43, 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.