T52.81 — Toxic effects of alkenes
Is T52.81 billable?
No — T52.81 is a non-billable header code. T52.81 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 12 billable codes beneath T52.81.
Billable codes under this header
- T52.811AToxic effect of alkenes, accidental (unintentional), initial encounter
- T52.811DToxic effect of alkenes, accidental (unintentional), subsequent encounter
- T52.811SToxic effect of alkenes, accidental (unintentional), sequela
- T52.812AToxic effect of alkenes, intentional self-harm, initial encounter
- T52.812DToxic effect of alkenes, intentional self-harm, subsequent encounter
- T52.812SToxic effect of alkenes, intentional self-harm, sequela
- T52.813AToxic effect of alkenes, assault, initial encounter
- T52.813DToxic effect of alkenes, assault, subsequent encounter
- T52.813SToxic effect of alkenes, assault, sequela
- T52.814AToxic effect of alkenes, undetermined, initial encounter
- T52.814DToxic effect of alkenes, undetermined, subsequent encounter
- T52.814SToxic effect of alkenes, undetermined, sequela
T52.81 at a glance
| Code | T52.81 |
|---|---|
| Description | Toxic effects of alkenes |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from T51-T65
The conditions below can never be reported together with T52.81 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- contact with and (suspected) exposure to toxic substances (Z77.-)
Excludes1 — never code together — inherited from T52
The conditions below can never be reported together with T52.81 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- halogen derivatives of aliphatic and aromatic hydrocarbons (T53.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T52.81 to fully describe the condition. T52.81 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T51-T65
Report an additional code alongside T52.81 to fully describe the condition. T52.81 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T52.81, but a patient may have both at the same time. When documentation supports it, T52.81 and the excluded code may both be reported.