T44.1X5Header code — not billable

Adverse effect of other parasympathomimetics [cholinergics]

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T44
Effective date
October 1, 2026

Related codes in category T44

Frequently asked questions

What is ICD-10 code T44.1X5?

T44.1X5 is an ICD-10-CM diagnosis code for Adverse effect of other parasympathomimetics [cholinergics].

Is T44.1X5 a billable code?

No. T44.1X5 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 T44.1X5 in?

T44.1X5 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T44.1X5 become effective?

T44.1X5 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T44.1X5?

T44.1X5 belongs to category T44, 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.