T23.622ABillable

Corrosion of second degree of single left finger (nail) except thumb, initial encounter

Short description: Corros second degree of single l finger except 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 T23.622A?

T23.622A is an ICD-10-CM diagnosis code for Corrosion of second degree of single left finger (nail) except thumb, initial encounter.

Is T23.622A a billable code?

Yes. T23.622A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T23.622A in?

T23.622A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T23.622A become effective?

T23.622A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T23.622A?

T23.622A 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.