S83.133Header code — not billable

Medial subluxation of proximal end of tibia, unspecified knee

Short description: Medial subluxation of proximal end of tibia, unsp knee

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S83
Effective date
October 1, 2026

Related codes in category S83

Frequently asked questions

What is ICD-10 code S83.133?

S83.133 is an ICD-10-CM diagnosis code for Medial subluxation of proximal end of tibia, unspecified knee.

Is S83.133 a billable code?

No. S83.133 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 S83.133 in?

S83.133 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S83.133 become effective?

S83.133 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S83.133?

S83.133 belongs to category S83, 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.