T43.1X5Header code — not billable

Adverse effect of monoamine-oxidase-inhibitor antidepressants

Short description: Adverse effect of MAO inhib 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 T43.1X5?

T43.1X5 is an ICD-10-CM diagnosis code for Adverse effect of monoamine-oxidase-inhibitor antidepressants.

Is T43.1X5 a billable code?

No. T43.1X5 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 T43.1X5 in?

T43.1X5 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T43.1X5 become effective?

T43.1X5 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T43.1X5?

T43.1X5 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.