T24.399Header code — not billable

Burn of third degree of multiple sites of unspecified lower limb, except ankle and foot

Short description: Burn of 3rd deg mu sites of unsp lower limb, except ank/ft

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 footT24.0Burn of unsp degree of lower limb, except ankle and footT24.00Burn of unsp degree of unsp site lower limb, except ank/ftT24.001Burn unsp deg of unsp site right lower limb, except ank/ftT24.001ABurn unsp deg of unsp site right lower limb, ex ank/ft, initYesT24.001DBurn unsp deg of unsp site right lower limb, ex ank/ft, subsYesT24.001SBurn unsp deg of unsp site right lower limb, ex ank/ft, sqlaYesT24.002Burn unsp degree of unsp site left lower limb, except ank/ftT24.002ABurn unsp deg of unsp site left lower limb, ex ank/ft, initYesT24.002DBurn unsp deg of unsp site left lower limb, ex ank/ft, subsYesT24.002SBurn unsp deg of unsp site left lower limb, ex ank/ft, sqlaYesT24.009Burn unsp degree of unsp site unsp lower limb, except ank/ft

Frequently asked questions

What is ICD-10 code T24.399?

T24.399 is an ICD-10-CM diagnosis code for Burn of third degree of multiple sites of unspecified lower limb, except ankle and foot.

Is T24.399 a billable code?

No. T24.399 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 T24.399 in?

T24.399 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T24.399 become effective?

T24.399 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T24.399?

T24.399 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.