T43.015Header code — not billable

Adverse effect of tricyclic antidepressants

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T43
Effective date
October 1, 2026

Related codes in category T43

Frequently asked questions

What is ICD-10 code T43.015?

T43.015 is an ICD-10-CM diagnosis code for Adverse effect of tricyclic antidepressants.

Is T43.015 a billable code?

No. T43.015 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 T43.015 in?

T43.015 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T43.015 become effective?

T43.015 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T43.015?

T43.015 belongs to category T43, 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.