T21.66XSBillable

Corrosion of second degree of male genital region, 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 T21.66XS?

T21.66XS is an ICD-10-CM diagnosis code for Corrosion of second degree of male genital region, sequela.

Is T21.66XS a billable code?

Yes. T21.66XS is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T21.66XS in?

T21.66XS falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T21.66XS become effective?

T21.66XS has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T21.66XS?

T21.66XS 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.