ICD-10-CM 2027 diagnosis code

T53.2X3Toxic effect of trichloroethylene, assault

Not billable — use a more specific codeRequires 7th character

T53.2X3 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it and add the required 7th character.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About T53.2X3

T53.2X3 is the ICD-10-CM diagnosis code for toxic effect of trichloroethylene, assault. It belongs to category T53 (toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons), block T51-T65 (toxic effects of substances chiefly nonmedicinal as to source) and chapter 19 (injury, poisoning and certain other consequences of external causes). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

Within T53.2X (toxic effects of trichloroethylene), T53.2X3 is specifically for toxic effect of trichloroethylene, assault. Related codes cover accidental (unintentional) (T53.2X1), intentional self-harm (T53.2X2) and undetermined (T53.2X4).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

7th character

The appropriate 7th character is to be added to each code from category T53

Ainitial encounterT53.2X3A
Dsubsequent encounterT53.2X3D
SsequelaT53.2X3S

Notes that apply from higher levels

Instructions written at a parent level also apply to T53.2X3.

Broader instructions also apply from T51-T65 Toxic effects of substances chiefly nonmedicinal as to source and Chapter 19: Injury, poisoning and certain other consequences of external causes.

Table of Drugs & Neoplasms entries

Trichlorethane — Poisoning Assault
Trichlorethylene — Poisoning Assault
Trichloroethane — Poisoning Assault
Trichloroethylene (liquid) (vapor) — Poisoning Assault
Trichloroethylene (liquid) (vapor) › vapor NEC — Poisoning Assault

Code history

2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027

FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
No changes since FY2016.

Common questions about T53.2X3

Is T53.2X3 billable?: No. T53.2X3 is a header code. Report one of its more specific subcodes instead.