S99.299Header code — not billable

Other physeal fracture of phalanx of unspecified 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 S99.299?

S99.299 is an ICD-10-CM diagnosis code for Other physeal fracture of phalanx of unspecified toe.

Is S99.299 a billable code?

No. S99.299 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 S99.299 in?

S99.299 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S99.299 become effective?

S99.299 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S99.299?

S99.299 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.