Effective from
- Inherited rules changed
Toxic effect of trichloroethylene, accidental (unintentional)
Category — select a more specific code
CDC/NCHS · FY2025 · 04-01code to identify any retained foreign body, if applicable (Z18.-)
contact with and (suspected) exposure to toxic substances (Z77.-)
A — initial encounter
D — subsequent encounter
S — sequela
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2025 · 04-01
Effective from
Toxic effect of trichloroethylene, accidental (unintentional)
Category — select a more specific code
CDC/NCHS · FY2025 · 04-01| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | No tabular change |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | Inherited rules changed |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
Toxic effects of trichloroethylene NOS
code to identify any retained foreign body, if applicable (Z18.-)
contact with and (suspected) exposure to toxic substances (Z77.-)
When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.
The appropriate 7th character is to be added to each code from category T53
A — initial encounter
D — subsequent encounter
S — sequela
Toxic effects of trichloroethene
T53.2X1AToxic effect of trichloroethylene, accidental (unintentional), initial encounterBillable / specificT53.2X1DToxic effect of trichloroethylene, accidental (unintentional), subsequent encounterBillable / specificT53.2X1SToxic effect of trichloroethylene, accidental (unintentional), sequelaBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| T53.2X2 | Toxic effect of trichloroethylene, intentional self-harm | Category · further specificity required |
| T53.2X3 | Toxic effect of trichloroethylene, assault | Category · further specificity required |
| T53.2X4 | Toxic effect of trichloroethylene, undetermined | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗