T52.811D vs T53
T52.811D (Toxic effect of alkenes, accidental (unintentional), subsequent encounter) compared with T53 (Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. T52.811D carries an Excludes1 note covering T53: “halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| T52.811DToxic effect of alkenes, accidental (unintentional), subsequent encounter | T53Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons | |
|---|---|---|
| Billing status | Billable | Non-billable header Report instead: T53.0X1A, T53.0X1D, T53.0X1S, T53.0X2A, T53.0X2D |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | — | Toxic effect of halogen derivatives of aliphatic and aromatic hydrocarbons is a non-billable ICD-10-CM category code (T53). |
| 7th character | The appropriate 7th character is to be added to each code from category T52 | The appropriate 7th character is to be added to each code from category T53 |
| Includes | Toxic effects of alkenes NOS | — |
| Use additional code | code(s): for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70) personal history of foreign body fully removed (Z87.821) | code(s): for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70) personal history of foreign body fully removed (Z87.821) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources