T37.2X4Header code — not billable

Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined

Short description: Poisoning by antimalari/drugs acting on bld protzoa, undet

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T37
Effective date
October 1, 2026

Related codes in category T37

T37Other systemic anti-infectives and antiparasiticsT37.0SulfonamidesT37.0XSulfonamidesT37.0X1Poisoning by sulfonamides, accidental (unintentional)T37.0X1APoisoning by sulfonamides, accidental (unintentional), initYesT37.0X1DPoisoning by sulfonamides, accidental (unintentional), subsYesT37.0X1SPoisoning by sulfonamides, accidental, sequelaYesT37.0X2Poisoning by sulfonamides, intentional self-harmT37.0X2APoisoning by sulfonamides, intentional self-harm, initYesT37.0X2DPoisoning by sulfonamides, intentional self-harm, subsYesT37.0X2SPoisoning by sulfonamides, intentional self-harm, sequelaYesT37.0X3Poisoning by sulfonamides, assault

Frequently asked questions

What is ICD-10 code T37.2X4?

T37.2X4 is an ICD-10-CM diagnosis code for Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined.

Is T37.2X4 a billable code?

No. T37.2X4 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 T37.2X4 in?

T37.2X4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T37.2X4 become effective?

T37.2X4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T37.2X4?

T37.2X4 belongs to category T37, 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.