T23.491ABillable

Corrosion of unspecified degree of multiple sites of right wrist and hand, initial encounter

Short description: Corrosion of unsp deg mult sites of right wrs/hnd, 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 T23.491A?

T23.491A is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of multiple sites of right wrist and hand, initial encounter.

Is T23.491A a billable code?

Yes. T23.491A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T23.491A in?

T23.491A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T23.491A become effective?

T23.491A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T23.491A?

T23.491A 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.