T54.3X4ABillable
Toxic effect of corrosive alkalis and alkali-like substances, undetermined, initial encounter
Short description: Tox eff of corrosv alkalis and alk-like substnc, undet, init
- 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 T54.3X4A?
T54.3X4A is an ICD-10-CM diagnosis code for Toxic effect of corrosive alkalis and alkali-like substances, undetermined, initial encounter.
Is T54.3X4A a billable code?
Yes. T54.3X4A is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is T54.3X4A in?
T54.3X4A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.
When did T54.3X4A become effective?
T54.3X4A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to T54.3X4A?
T54.3X4A 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.