T20.49XSBillable

Corrosion of unspecified degree of multiple sites of head, face, and neck, sequela

Short description: Corros unsp deg mult sites of head, face, and neck, sequela

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T20
Effective date
October 1, 2026

Related codes in category T20

Frequently asked questions

What is ICD-10 code T20.49XS?

T20.49XS is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of multiple sites of head, face, and neck, sequela.

Is T20.49XS a billable code?

Yes. T20.49XS is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T20.49XS in?

T20.49XS falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T20.49XS become effective?

T20.49XS has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T20.49XS?

T20.49XS belongs to category T20, 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.