T33.529Header code — not billable

Superficial frostbite of unspecified hand

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 T33.529?

T33.529 is an ICD-10-CM diagnosis code for Superficial frostbite of unspecified hand.

Is T33.529 a billable code?

No. T33.529 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 T33.529 in?

T33.529 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T33.529 become effective?

T33.529 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T33.529?

T33.529 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.