T59.811Header code — not billable

Toxic effect of smoke, accidental (unintentional)

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T59
Effective date
October 1, 2026

Related codes in category T59

Frequently asked questions

What is ICD-10 code T59.811?

T59.811 is an ICD-10-CM diagnosis code for Toxic effect of smoke, accidental (unintentional).

Is T59.811 a billable code?

No. T59.811 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 T59.811 in?

T59.811 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T59.811 become effective?

T59.811 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T59.811?

T59.811 belongs to category T59, 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.