T24.722Header code — not billable

Corrosion of third degree of left knee

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T24
Effective date
October 1, 2026

Related codes in category T24

Frequently asked questions

What is ICD-10 code T24.722?

T24.722 is an ICD-10-CM diagnosis code for Corrosion of third degree of left knee.

Is T24.722 a billable code?

No. T24.722 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is T24.722 in?

T24.722 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T24.722 become effective?

T24.722 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T24.722?

T24.722 belongs to category T24, 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.