S99.811Header code — not billable

Other specified injuries of right ankle

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 S99.811?

S99.811 is an ICD-10-CM diagnosis code for Other specified injuries of right ankle.

Is S99.811 a billable code?

No. S99.811 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 S99.811 in?

S99.811 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S99.811 become effective?

S99.811 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S99.811?

S99.811 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.