T56.4X — Toxic effects of copper and its compounds
Is T56.4X billable?
No — T56.4X is a non-billable header code. T56.4X 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 T56.4X.
Billable codes under this header
- T56.4X1AToxic effect of copper and its compounds, accidental (unintentional), initial encounter
- T56.4X1DToxic effect of copper and its compounds, accidental (unintentional), subsequent encounter
- T56.4X1SToxic effect of copper and its compounds, accidental (unintentional), sequela
- T56.4X2AToxic effect of copper and its compounds, intentional self-harm, initial encounter
- T56.4X2DToxic effect of copper and its compounds, intentional self-harm, subsequent encounter
- T56.4X2SToxic effect of copper and its compounds, intentional self-harm, sequela
- T56.4X3AToxic effect of copper and its compounds, assault, initial encounter
- T56.4X3DToxic effect of copper and its compounds, assault, subsequent encounter
- T56.4X3SToxic effect of copper and its compounds, assault, sequela
- T56.4X4AToxic effect of copper and its compounds, undetermined, initial encounter
- T56.4X4DToxic effect of copper and its compounds, undetermined, subsequent encounter
- T56.4X4SToxic effect of copper and its compounds, undetermined, sequela
T56.4X at a glance
| Code | T56.4X |
|---|---|
| Description | Toxic effects of copper 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 — inherited from T51-T65
The conditions below can never be reported together with T56.4X 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 T56
The conditions below can never be reported together with T56.4X 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 T56.4X to fully describe the condition. T56.4X 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 T56.4X to fully describe the condition. T56.4X is sequenced first.
Use additional code — inherited from T56
Report an additional code alongside T56.4X to fully describe the condition. T56.4X is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T56.4X, but a patient may have both at the same time. When documentation supports it, T56.4X and the excluded code may both be reported.
What codes fall under T56.4X? (4)
- T56.4X1Toxic effect of copper and its compounds, accidental (unintentional)not billable
- T56.4X2Toxic effect of copper and its compounds, intentional self-harmnot billable
- T56.4X3Toxic effect of copper and its compounds, assaultnot billable
- T56.4X4Toxic effect of copper and its compounds, undeterminednot billable
How long has T56.4X existed?
T56.4X 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.