T49.5X1Header code — not billable

Poisoning by ophthalmological drugs and preparations, accidental (unintentional)

Short description: Poisoning by opth drugs and preparations, accidental

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T49
Effective date
October 1, 2026

Related codes in category T49

Frequently asked questions

What is ICD-10 code T49.5X1?

T49.5X1 is an ICD-10-CM diagnosis code for Poisoning by ophthalmological drugs and preparations, accidental (unintentional).

Is T49.5X1 a billable code?

No. T49.5X1 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 T49.5X1 in?

T49.5X1 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T49.5X1 become effective?

T49.5X1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T49.5X1?

T49.5X1 belongs to category T49, 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.