S99.231Header code — not billable

Salter-Harris Type III physeal fracture of phalanx of right toe

Short description: Sltr-haris Type III physeal fracture of phalanx of right toe

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S99
Effective date
October 1, 2026

Related codes in category S99

Frequently asked questions

What is ICD-10 code S99.231?

S99.231 is an ICD-10-CM diagnosis code for Salter-Harris Type III physeal fracture of phalanx of right toe.

Is S99.231 a billable code?

No. S99.231 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 S99.231 in?

S99.231 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S99.231 become effective?

S99.231 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S99.231?

S99.231 belongs to category S99, 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.