T65.3X4ABillable

Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined, initial encounter

Short description: Toxic eff of nitrodrv/aminodrv of benzn/homolog, undet, init

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T65
Effective date
October 1, 2026

Related codes in category T65

T65Toxic effect of other and unspecified substancesT65.0Toxic effect of cyanidesT65.0XToxic effect of cyanidesT65.0X1Toxic effect of cyanides, accidental (unintentional)T65.0X1AToxic effect of cyanides, accidental (unintentional), initYesT65.0X1DToxic effect of cyanides, accidental (unintentional), subsYesT65.0X1SToxic effect of cyanides, accidental, sequelaYesT65.0X2Toxic effect of cyanides, intentional self-harmT65.0X2AToxic effect of cyanides, intentional self-harm, init encntrYesT65.0X2DToxic effect of cyanides, intentional self-harm, subs encntrYesT65.0X2SToxic effect of cyanides, intentional self-harm, sequelaYesT65.0X3Toxic effect of cyanides, assault

Frequently asked questions

What is ICD-10 code T65.3X4A?

T65.3X4A is an ICD-10-CM diagnosis code for Toxic effect of nitroderivatives and aminoderivatives of benzene and its homologues, undetermined, initial encounter.

Is T65.3X4A a billable code?

Yes. T65.3X4A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T65.3X4A in?

T65.3X4A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T65.3X4A become effective?

T65.3X4A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T65.3X4A?

T65.3X4A belongs to category T65, 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.