S13.12Header code — not billable

Subluxation and dislocation of C1/C2 cervical vertebrae

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S13
Effective date
October 1, 2026

Related codes in category S13

Frequently asked questions

What is ICD-10 code S13.12?

S13.12 is an ICD-10-CM diagnosis code for Subluxation and dislocation of C1/C2 cervical vertebrae.

Is S13.12 a billable code?

No. S13.12 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 S13.12 in?

S13.12 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S13.12 become effective?

S13.12 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S13.12?

S13.12 belongs to category S13, 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.