T41.4Header code — not billable

Poisoning by, adverse effect of and underdosing of unspecified anesthetic

Short description: Unsp anesthetic

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T41
Effective date
October 1, 2026

Related codes in category T41

Frequently asked questions

What is ICD-10 code T41.4?

T41.4 is an ICD-10-CM diagnosis code for Poisoning by, adverse effect of and underdosing of unspecified anesthetic.

Is T41.4 a billable code?

No. T41.4 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 T41.4 in?

T41.4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T41.4 become effective?

T41.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T41.4?

T41.4 belongs to category T41, 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.