T36.2X4Header code — not billable

Poisoning by chloramphenicol group, undetermined

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T36
Effective date
October 1, 2026

Related codes in category T36

Frequently asked questions

What is ICD-10 code T36.2X4?

T36.2X4 is an ICD-10-CM diagnosis code for Poisoning by chloramphenicol group, undetermined.

Is T36.2X4 a billable code?

No. T36.2X4 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 T36.2X4 in?

T36.2X4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T36.2X4 become effective?

T36.2X4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T36.2X4?

T36.2X4 belongs to category T36, 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.