T23.432ABillable

Corrosion of unspecified degree of multiple left fingers (nail), not including thumb, initial encounter

Short description: Corros unsp deg mult left fngr (nail), not inc thumb, init

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T23
Effective date
October 1, 2026

Related codes in category T23

Frequently asked questions

What is ICD-10 code T23.432A?

T23.432A is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of multiple left fingers (nail), not including thumb, initial encounter.

Is T23.432A a billable code?

Yes. T23.432A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T23.432A in?

T23.432A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T23.432A become effective?

T23.432A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T23.432A?

T23.432A belongs to category T23, 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.