S02.640Header code — not billable
Fracture of ramus of mandible, unspecified side
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S02
- Effective date
- October 1, 2026
Related codes in category S02
S02Fracture of skull and facial bonesS02.0Fracture of vault of skullS02.0XXAFracture of vault of skull, init encntr for closed fractureYesS02.0XXBFracture of vault of skull, init encntr for open fractureYesS02.0XXDFracture of vault of skull, subs for fx w routn healYesS02.0XXGFracture of vault of skull, subs for fx w delay healYesS02.0XXKFracture of vault of skull, subs for fx w nonunionYesS02.0XXSFracture of vault of skull, sequelaYesS02.1Fracture of base of skullS02.10Unspecified fracture of base of skullS02.101Fracture of base of skull, right sideS02.101AFracture of base of skull, right side, initYes
Frequently asked questions
What is ICD-10 code S02.640?
S02.640 is an ICD-10-CM diagnosis code for Fracture of ramus of mandible, unspecified side.
Is S02.640 a billable code?
No. S02.640 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 S02.640 in?
S02.640 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S02.640 become effective?
S02.640 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S02.640?
S02.640 belongs to category S02, 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.