T58.92 — Toxic effect of carbon monoxide from unspecified source, intentional self-harm
Is T58.92 billable?
No — T58.92 is a non-billable header code. T58.92 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 T58.92.
Billable codes under this header
- T58.92XAToxic effect of carbon monoxide from unspecified source, intentional self-harm, initial encounter
- T58.92XDToxic effect of carbon monoxide from unspecified source, intentional self-harm, subsequent encounter
- T58.92XSToxic effect of carbon monoxide from unspecified source, intentional self-harm, sequela
T58.92 at a glance
| Code | T58.92 |
|---|---|
| Description | Toxic effect of carbon monoxide from unspecified source, intentional self-harm |
| 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 T58.92 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.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T58.92 to fully describe the condition. T58.92 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 T58.92 to fully describe the condition. T58.92 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T58.92, but a patient may have both at the same time. When documentation supports it, T58.92 and the excluded code may both be reported.
What codes fall under T58.92? (3)
- T58.92XAToxic effect of carbon monoxide from unspecified source, intentional self-harm, initial encounter
- T58.92XDToxic effect of carbon monoxide from unspecified source, intentional self-harm, subsequent encounter
- T58.92XSToxic effect of carbon monoxide from unspecified source, intentional self-harm, sequela
How long has T58.92 existed?
T58.92 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.