T54.3X1Header code — not billable

Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional)

Short description: Toxic effect of corrosive alkalis and alk-like substnc, acc

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T54
Effective date
October 1, 2026

Related codes in category T54

T54Toxic effect of corrosive substancesT54.0Toxic effects of phenol and phenol homologuesT54.0XToxic effects of phenol and phenol homologuesT54.0X1Toxic effect of phenol and phenol homologues, accidentalT54.0X1AToxic effect of phenol and phenol homologues, acc, initYesT54.0X1DToxic effect of phenol and phenol homologues, acc, subsYesT54.0X1SToxic effect of phenol and phenol homologues, acc, sequelaYesT54.0X2Toxic effect of phenol and phenol homologues, self-harmT54.0X2AToxic effect of phenol and phenol homolog, self-harm, initYesT54.0X2DToxic effect of phenol and phenol homolog, self-harm, subsYesT54.0X2SToxic effect of phenol and phenol homolog, slf-hrm, sequelaYesT54.0X3Toxic effect of phenol and phenol homologues, assault

Frequently asked questions

What is ICD-10 code T54.3X1?

T54.3X1 is an ICD-10-CM diagnosis code for Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional).

Is T54.3X1 a billable code?

No. T54.3X1 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 T54.3X1 in?

T54.3X1 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T54.3X1 become effective?

T54.3X1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T54.3X1?

T54.3X1 belongs to category T54, 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.