S03.40Header code — not billable
Sprain of jaw, unspecified side
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S03
- Effective date
- October 1, 2026
Related codes in category S03
S03Dislocation and sprain of joints and ligaments of headS03.0Dislocation of jawS03.00Dislocation of jaw, unspecified sideS03.00XADislocation of jaw, unspecified side, initial encounterYesS03.00XDDislocation of jaw, unspecified side, subsequent encounterYesS03.00XSDislocation of jaw, unspecified side, sequelaYesS03.01Dislocation of jaw, right sideS03.01XADislocation of jaw, right side, initial encounterYesS03.01XDDislocation of jaw, right side, subsequent encounterYesS03.01XSDislocation of jaw, right side, sequelaYesS03.02Dislocation of jaw, left sideS03.02XADislocation of jaw, left side, initial encounterYes
Frequently asked questions
What is ICD-10 code S03.40?
S03.40 is an ICD-10-CM diagnosis code for Sprain of jaw, unspecified side.
Is S03.40 a billable code?
No. S03.40 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 S03.40 in?
S03.40 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S03.40 become effective?
S03.40 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S03.40?
S03.40 belongs to category S03, 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.