T52.1X4 — Toxic effect of benzene, undetermined
Is T52.1X4 billable?
No — T52.1X4 is a non-billable header code. T52.1X4 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 3 billable codes beneath T52.1X4.
T52.1X4 at a glance
| Code | T52.1X4 |
|---|---|
| Description | Toxic effect of benzene, undetermined |
| 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 T52.1X4 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 T52.1X4 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.-)
Excludes1 — never code together — inherited from T52.1
The conditions below can never be reported together with T52.1X4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code — inherited from Chapter 19
Report an additional code alongside T52.1X4 to fully describe the condition. T52.1X4 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 T52.1X4 to fully describe the condition. T52.1X4 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T52.1X4, but a patient may have both at the same time. When documentation supports it, T52.1X4 and the excluded code may both be reported.
What codes fall under T52.1X4? (3)
How long has T52.1X4 existed?
T52.1X4 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.