T24.409ABillable

Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot, initial encounter

Short description: Corros unsp deg of unsp site unsp low limb, ex ank/ft, init

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

Related codes in category T24

T24Burn and corrosion of lower limb, except ankle and foot T24.0Burn of unsp degree of lower limb, except ankle and foot T24.00Burn of unsp degree of unsp site lower limb, except ank/ft T24.001Burn unsp deg of unsp site right lower limb, except ank/ft T24.001ABurn unsp deg of unsp site right lower limb, ex ank/ft, initYes T24.001DBurn unsp deg of unsp site right lower limb, ex ank/ft, subsYes T24.001SBurn unsp deg of unsp site right lower limb, ex ank/ft, sqlaYes T24.002Burn unsp degree of unsp site left lower limb, except ank/ft T24.002ABurn unsp deg of unsp site left lower limb, ex ank/ft, initYes T24.002DBurn unsp deg of unsp site left lower limb, ex ank/ft, subsYes T24.002SBurn unsp deg of unsp site left lower limb, ex ank/ft, sqlaYes T24.009Burn unsp degree of unsp site unsp lower limb, except ank/ft

Frequently asked questions

What is ICD-10 code T24.409A?

T24.409A is an ICD-10-CM diagnosis code for Corrosion of unspecified degree of unspecified site of unspecified lower limb, except ankle and foot, initial encounter.

Is T24.409A a billable code?

Yes. T24.409A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T24.409A in?

T24.409A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T24.409A become effective?

T24.409A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T24.409A?

T24.409A 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.