T21.79XSBillable

Corrosion of third degree of other site of trunk, sequela

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 T21.79XS?

T21.79XS is an ICD-10-CM diagnosis code for Corrosion of third degree of other site of trunk, sequela.

Is T21.79XS a billable code?

Yes. T21.79XS is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T21.79XS in?

T21.79XS falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T21.79XS become effective?

T21.79XS has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T21.79XS?

T21.79XS 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.