T57.3X — Toxic effect of hydrogen cyanide
Is T57.3X billable?
No — T57.3X is a non-billable header code. T57.3X 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 T57.3X.
Billable codes under this header
- T57.3X1AToxic effect of hydrogen cyanide, accidental (unintentional), initial encounter
- T57.3X1DToxic effect of hydrogen cyanide, accidental (unintentional), subsequent encounter
- T57.3X1SToxic effect of hydrogen cyanide, accidental (unintentional), sequela
- T57.3X2AToxic effect of hydrogen cyanide, intentional self-harm, initial encounter
- T57.3X2DToxic effect of hydrogen cyanide, intentional self-harm, subsequent encounter
- T57.3X2SToxic effect of hydrogen cyanide, intentional self-harm, sequela
- T57.3X3AToxic effect of hydrogen cyanide, assault, initial encounter
- T57.3X3DToxic effect of hydrogen cyanide, assault, subsequent encounter
- T57.3X3SToxic effect of hydrogen cyanide, assault, sequela
- T57.3X4AToxic effect of hydrogen cyanide, undetermined, initial encounter
- T57.3X4DToxic effect of hydrogen cyanide, undetermined, subsequent encounter
- T57.3X4SToxic effect of hydrogen cyanide, undetermined, sequela
T57.3X at a glance
| Code | T57.3X |
|---|---|
| Description | Toxic effect of hydrogen cyanide |
| 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 T57.3X 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 T57.3X to fully describe the condition. T57.3X 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 T57.3X to fully describe the condition. T57.3X is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T57.3X, but a patient may have both at the same time. When documentation supports it, T57.3X and the excluded code may both be reported.
What codes fall under T57.3X? (4)
How long has T57.3X existed?
T57.3X 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.