T23.551Header code — not billable

Corrosion of first degree of right palm

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T23
Effective date
October 1, 2026

Related codes in category T23

Frequently asked questions

What is ICD-10 code T23.551?

T23.551 is an ICD-10-CM diagnosis code for Corrosion of first degree of right palm.

Is T23.551 a billable code?

No. T23.551 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 T23.551 in?

T23.551 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T23.551 become effective?

T23.551 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T23.551?

T23.551 belongs to category T23, 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.