T65.834Header code — not billable

Toxic effect of fiberglass, undetermined

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T65
Effective date
October 1, 2026

Related codes in category T65

Frequently asked questions

What is ICD-10 code T65.834?

T65.834 is an ICD-10-CM diagnosis code for Toxic effect of fiberglass, undetermined.

Is T65.834 a billable code?

No. T65.834 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 T65.834 in?

T65.834 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T65.834 become effective?

T65.834 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T65.834?

T65.834 belongs to category T65, 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.