T44.904ABillable

Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, initial encounter

Short description: Poisn by unsp drugs aff the autonm nervous sys, undet, init

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 T44.904A?

T44.904A is an ICD-10-CM diagnosis code for Poisoning by unspecified drugs primarily affecting the autonomic nervous system, undetermined, initial encounter.

Is T44.904A a billable code?

Yes. T44.904A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T44.904A in?

T44.904A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T44.904A become effective?

T44.904A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T44.904A?

T44.904A 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.