T33.8Header code — not billable

Superficial frostbite of ankle, foot, and 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 T33.8?

T33.8 is an ICD-10-CM diagnosis code for Superficial frostbite of ankle, foot, and toe(s).

Is T33.8 a billable code?

No. T33.8 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 T33.8 in?

T33.8 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T33.8 become effective?

T33.8 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T33.8?

T33.8 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.