T59.0X4 — Toxic effect of nitrogen oxides, undetermined
Is T59.0X4 billable?
No — T59.0X4 is a non-billable header code. T59.0X4 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 T59.0X4.
T59.0X4 at a glance
| Code | T59.0X4 |
|---|---|
| Description | Toxic effect of nitrogen oxides, 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 T59.0X4 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 T59
The conditions below can never be reported together with T59.0X4 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- chlorofluorocarbons (T53.5)
Use additional code — inherited from Chapter 19
Report an additional code alongside T59.0X4 to fully describe the condition. T59.0X4 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 T59.0X4 to fully describe the condition. T59.0X4 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T59.0X4, but a patient may have both at the same time. When documentation supports it, T59.0X4 and the excluded code may both be reported.
What codes fall under T59.0X4? (3)
How long has T59.0X4 existed?
T59.0X4 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.