Is T56.4X a billable code?
No. T56.4X is a header code that groups 12 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T56.4X: Toxic effects of copper and its compounds
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T56.4X groups related diagnoses under toxic effects of copper and its compounds. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T56.4X
- 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 questions
What does T56.4X mean?
T56.4X is the ICD-10-CM code for Toxic effects of copper and its compounds. It is in chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.