S33.120Header code — not billable

Subluxation of L2/L3 lumbar vertebra

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S33
Effective date
October 1, 2026

Related codes in category S33

Frequently asked questions

What is ICD-10 code S33.120?

S33.120 is an ICD-10-CM diagnosis code for Subluxation of L2/L3 lumbar vertebra.

Is S33.120 a billable code?

No. S33.120 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 S33.120 in?

S33.120 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S33.120 become effective?

S33.120 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S33.120?

S33.120 belongs to category S33, 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.