T59.824Header code — not billableNew this fiscal year

Toxic effect of hexamethylene diisocyanate, undetermined

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 T59.824?

T59.824 is an ICD-10-CM diagnosis code for Toxic effect of hexamethylene diisocyanate, undetermined.

Is T59.824 a billable code?

No. T59.824 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 T59.824 in?

T59.824 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T59.824 become effective?

T59.824 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T59.824?

T59.824 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.