T57.1 — Toxic effect of phosphorus and its compounds
Is T57.1 billable?
No — T57.1 is a non-billable header code. T57.1 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 T57.1.
Billable codes under this header
- T57.1X1AToxic effect of phosphorus and its compounds, accidental (unintentional), initial encounter
- T57.1X1DToxic effect of phosphorus and its compounds, accidental (unintentional), subsequent encounter
- T57.1X1SToxic effect of phosphorus and its compounds, accidental (unintentional), sequela
- T57.1X2AToxic effect of phosphorus and its compounds, intentional self-harm, initial encounter
- T57.1X2DToxic effect of phosphorus and its compounds, intentional self-harm, subsequent encounter
- T57.1X2SToxic effect of phosphorus and its compounds, intentional self-harm, sequela
- T57.1X3AToxic effect of phosphorus and its compounds, assault, initial encounter
- T57.1X3DToxic effect of phosphorus and its compounds, assault, subsequent encounter
- T57.1X3SToxic effect of phosphorus and its compounds, assault, sequela
- T57.1X4AToxic effect of phosphorus and its compounds, undetermined, initial encounter
- T57.1X4DToxic effect of phosphorus and its compounds, undetermined, subsequent encounter
- T57.1X4SToxic effect of phosphorus and its compounds, undetermined, sequela
T57.1 at a glance
| Code | T57.1 |
|---|---|
| Description | Toxic effect of phosphorus and its compounds |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with T57.1 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- organophosphate insecticides (T60.0)
Excludes1 — never code together — inherited from T51-T65
The conditions below can never be reported together with T57.1 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 T57.1 to fully describe the condition. T57.1 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 T57.1 to fully describe the condition. T57.1 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T57.1, but a patient may have both at the same time. When documentation supports it, T57.1 and the excluded code may both be reported.
What codes fall under T57.1? (1)
How long has T57.1 existed?
T57.1 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.
What other codes are in the T57 family? (5)
- T57.0Toxic effect of arsenic and its compoundsnot billable
- T57.2Toxic effect of manganese and its compoundsnot billable
- T57.3Toxic effect of hydrogen cyanidenot billable
- T57.8Toxic effect of other specified inorganic substancesnot billable
- T57.9Toxic effect of unspecified inorganic substancenot billable