T21.24Header code — not billable

Burn of second degree of lower back

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T21
Effective date
October 1, 2026

Related codes in category T21

Frequently asked questions

What is ICD-10 code T21.24?

T21.24 is an ICD-10-CM diagnosis code for Burn of second degree of lower back.

Is T21.24 a billable code?

No. T21.24 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 T21.24 in?

T21.24 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T21.24 become effective?

T21.24 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T21.24?

T21.24 belongs to category T21, 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.