T20.419ABillable

Corrosion of unspecified degree of unspecified ear [any part, except ear drum], initial encounter

Short description: Corrosion of unsp degree of unspecified ear, init encntr

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 T20.419A?

T20.419A is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of unspecified ear [any part, except ear drum], initial encounter.

Is T20.419A a billable code?

Yes. T20.419A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T20.419A in?

T20.419A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T20.419A become effective?

T20.419A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T20.419A?

T20.419A 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.