T21.40XSBillable

Corrosion of unspecified degree of trunk, unspecified site, sequela

Short description: Corrosion of unsp degree of trunk, unspecified site, 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 T21.40XS?

T21.40XS is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of trunk, unspecified site, sequela.

Is T21.40XS a billable code?

Yes. T21.40XS is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T21.40XS in?

T21.40XS falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T21.40XS become effective?

T21.40XS has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T21.40XS?

T21.40XS 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.