S93.521Header code — not billable
Sprain of metatarsophalangeal joint of right great toe
- Chapter
- 19. Injury, poisoning and certain other consequences of external causes
- Category
- S93
- Effective date
- October 1, 2026
Related codes in category S93
S93Disloc & sprain of joints & ligaments at ankl, ft & toe levS93.0Subluxation and dislocation of ankle jointS93.01Subluxation of right ankle jointS93.01XASubluxation of right ankle joint, initial encounterYesS93.01XDSubluxation of right ankle joint, subsequent encounterYesS93.01XSSubluxation of right ankle joint, sequelaYesS93.02Subluxation of left ankle jointS93.02XASubluxation of left ankle joint, initial encounterYesS93.02XDSubluxation of left ankle joint, subsequent encounterYesS93.02XSSubluxation of left ankle joint, sequelaYesS93.03Subluxation of unspecified ankle jointS93.03XASubluxation of unspecified ankle joint, initial encounterYes
Frequently asked questions
What is ICD-10 code S93.521?
S93.521 is an ICD-10-CM diagnosis code for Sprain of metatarsophalangeal joint of right great toe.
Is S93.521 a billable code?
No. S93.521 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 S93.521 in?
S93.521 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did S93.521 become effective?
S93.521 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to S93.521?
S93.521 belongs to category S93, 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.