S31.051Header code — not billable

Open bite of lower back and pelvis with penetration into retroperitoneum

Short description: Open bite of lower back and pelvis w penet retroperitoneum

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
S31
Effective date
October 1, 2026

Related codes in category S31

Frequently asked questions

What is ICD-10 code S31.051?

S31.051 is an ICD-10-CM diagnosis code for Open bite of lower back and pelvis with penetration into retroperitoneum.

Is S31.051 a billable code?

No. S31.051 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 S31.051 in?

S31.051 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did S31.051 become effective?

S31.051 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to S31.051?

S31.051 belongs to category S31, 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.