T40.695Header code — not billable

Adverse effect of other narcotics

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T40
Effective date
October 1, 2026

Related codes in category T40

Frequently asked questions

What is ICD-10 code T40.695?

T40.695 is an ICD-10-CM diagnosis code for Adverse effect of other narcotics.

Is T40.695 a billable code?

No. T40.695 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 T40.695 in?

T40.695 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T40.695 become effective?

T40.695 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T40.695?

T40.695 belongs to category T40, 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.