T20.412DBillable

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

Short description: Corrosion of unspecified degree of left ear, subs 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 T20.412D?

T20.412D is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of left ear [any part, except ear drum], subsequent encounter.

Is T20.412D a billable code?

Yes. T20.412D is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T20.412D in?

T20.412D falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T20.412D become effective?

T20.412D has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T20.412D?

T20.412D 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.