S23.111Header code — not billable

Dislocation of T1/T2 thoracic vertebra

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S23
Effective date
October 1, 2026

Related codes in category S23

Frequently asked questions

What is ICD-10 code S23.111?

S23.111 is an ICD-10-CM diagnosis code for Dislocation of T1/T2 thoracic vertebra.

Is S23.111 a billable code?

No. S23.111 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 S23.111 in?

S23.111 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S23.111 become effective?

S23.111 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S23.111?

S23.111 belongs to category S23, 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.