T21.71XABillable

Corrosion of third degree of chest wall, initial encounter

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 T21.71XA?

T21.71XA is an ICD-10-CM diagnosis code for Corrosion of third degree of chest wall, initial encounter.

Is T21.71XA a billable code?

Yes. T21.71XA is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T21.71XA in?

T21.71XA falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T21.71XA become effective?

T21.71XA has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T21.71XA?

T21.71XA 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.