T33.831Header code — not billable

Superficial frostbite of right toe(s)

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T33
Effective date
October 1, 2026

Related codes in category T33

Frequently asked questions

What is ICD-10 code T33.831?

T33.831 is an ICD-10-CM diagnosis code for Superficial frostbite of right toe(s).

Is T33.831 a billable code?

No. T33.831 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 T33.831 in?

T33.831 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T33.831 become effective?

T33.831 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T33.831?

T33.831 belongs to category T33, 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.