T65.853Header code — not billableNew this fiscal year

Toxic effect of medetomidine, assault

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 T65.853?

T65.853 is an ICD-10-CM diagnosis code for Toxic effect of medetomidine, assault.

Is T65.853 a billable code?

No. T65.853 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 T65.853 in?

T65.853 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T65.853 become effective?

T65.853 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T65.853?

T65.853 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.