Is T56 a billable code?
No. T56 is a header code that groups 132 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
T56: Toxic effect of metals
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
T56 groups related diagnoses under toxic effect of metals. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under T56
- T56.0X1AToxic effect of lead and its compounds, accidental (unintentional), initial encounter
- T56.0X1DToxic effect of lead and its compounds, accidental (unintentional), subsequent encounter
- T56.0X1SToxic effect of lead and its compounds, accidental (unintentional), sequela
- T56.0X2AToxic effect of lead and its compounds, intentional self-harm, initial encounter
- T56.0X2DToxic effect of lead and its compounds, intentional self-harm, subsequent encounter
- T56.0X2SToxic effect of lead and its compounds, intentional self-harm, sequela
- T56.0X3AToxic effect of lead and its compounds, assault, initial encounter
- T56.0X3DToxic effect of lead and its compounds, assault, subsequent encounter
- T56.0X3SToxic effect of lead and its compounds, assault, sequela
- T56.0X4AToxic effect of lead and its compounds, undetermined, initial encounter
- T56.0X4DToxic effect of lead and its compounds, undetermined, subsequent encounter
- T56.0X4SToxic effect of lead and its compounds, undetermined, sequela
- T56.1X1AToxic effect of mercury and its compounds, accidental (unintentional), initial encounter
- T56.1X1DToxic effect of mercury and its compounds, accidental (unintentional), subsequent encounter
- T56.1X1SToxic effect of mercury and its compounds, accidental (unintentional), sequela
- T56.1X2AToxic effect of mercury and its compounds, intentional self-harm, initial encounter
- T56.1X2DToxic effect of mercury and its compounds, intentional self-harm, subsequent encounter
- T56.1X2SToxic effect of mercury and its compounds, intentional self-harm, sequela
- T56.1X3AToxic effect of mercury and its compounds, assault, initial encounter
- T56.1X3DToxic effect of mercury and its compounds, assault, subsequent encounter
- T56.1X3SToxic effect of mercury and its compounds, assault, sequela
- T56.1X4AToxic effect of mercury and its compounds, undetermined, initial encounter
- T56.1X4DToxic effect of mercury and its compounds, undetermined, subsequent encounter
- T56.1X4SToxic effect of mercury and its compounds, undetermined, sequela
- T56.2X1AToxic effect of chromium and its compounds, accidental (unintentional), initial encounter
- T56.2X1DToxic effect of chromium and its compounds, accidental (unintentional), subsequent encounter
- T56.2X1SToxic effect of chromium and its compounds, accidental (unintentional), sequela
- T56.2X2AToxic effect of chromium and its compounds, intentional self-harm, initial encounter
- T56.2X2DToxic effect of chromium and its compounds, intentional self-harm, subsequent encounter
- T56.2X2SToxic effect of chromium and its compounds, intentional self-harm, sequela
- T56.2X3AToxic effect of chromium and its compounds, assault, initial encounter
- T56.2X3DToxic effect of chromium and its compounds, assault, subsequent encounter
- T56.2X3SToxic effect of chromium and its compounds, assault, sequela
- T56.2X4AToxic effect of chromium and its compounds, undetermined, initial encounter
- T56.2X4DToxic effect of chromium and its compounds, undetermined, subsequent encounter
- T56.2X4SToxic effect of chromium and its compounds, undetermined, sequela
- T56.3X1AToxic effect of cadmium and its compounds, accidental (unintentional), initial encounter
- T56.3X1DToxic effect of cadmium and its compounds, accidental (unintentional), subsequent encounter
- T56.3X1SToxic effect of cadmium and its compounds, accidental (unintentional), sequela
- T56.3X2AToxic effect of cadmium and its compounds, intentional self-harm, initial encounter
- T56.3X2DToxic effect of cadmium and its compounds, intentional self-harm, subsequent encounter
- T56.3X2SToxic effect of cadmium and its compounds, intentional self-harm, sequela
- T56.3X3AToxic effect of cadmium and its compounds, assault, initial encounter
- T56.3X3DToxic effect of cadmium and its compounds, assault, subsequent encounter
- T56.3X3SToxic effect of cadmium and its compounds, assault, sequela
- T56.3X4AToxic effect of cadmium and its compounds, undetermined, initial encounter
- T56.3X4DToxic effect of cadmium and its compounds, undetermined, subsequent encounter
- T56.3X4SToxic effect of cadmium and its compounds, undetermined, sequela
- 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
- T56.5X1AToxic effect of zinc and its compounds, accidental (unintentional), initial encounter
- T56.5X1DToxic effect of zinc and its compounds, accidental (unintentional), subsequent encounter
- T56.5X1SToxic effect of zinc and its compounds, accidental (unintentional), sequela
- T56.5X2AToxic effect of zinc and its compounds, intentional self-harm, initial encounter
- T56.5X2DToxic effect of zinc and its compounds, intentional self-harm, subsequent encounter
- T56.5X2SToxic effect of zinc and its compounds, intentional self-harm, sequela
- T56.5X3AToxic effect of zinc and its compounds, assault, initial encounter
- T56.5X3DToxic effect of zinc and its compounds, assault, subsequent encounter
- T56.5X3SToxic effect of zinc and its compounds, assault, sequela
- T56.5X4AToxic effect of zinc and its compounds, undetermined, initial encounter
- T56.5X4DToxic effect of zinc and its compounds, undetermined, subsequent encounter
- T56.5X4SToxic effect of zinc and its compounds, undetermined, sequela
- T56.6X1AToxic effect of tin and its compounds, accidental (unintentional), initial encounter
- T56.6X1DToxic effect of tin and its compounds, accidental (unintentional), subsequent encounter
- T56.6X1SToxic effect of tin and its compounds, accidental (unintentional), sequela
- T56.6X2AToxic effect of tin and its compounds, intentional self-harm, initial encounter
- T56.6X2DToxic effect of tin and its compounds, intentional self-harm, subsequent encounter
- T56.6X2SToxic effect of tin and its compounds, intentional self-harm, sequela
- T56.6X3AToxic effect of tin and its compounds, assault, initial encounter
- T56.6X3DToxic effect of tin and its compounds, assault, subsequent encounter
- T56.6X3SToxic effect of tin and its compounds, assault, sequela
- T56.6X4AToxic effect of tin and its compounds, undetermined, initial encounter
- T56.6X4DToxic effect of tin and its compounds, undetermined, subsequent encounter
- T56.6X4SToxic effect of tin and its compounds, undetermined, sequela
- T56.7X1AToxic effect of beryllium and its compounds, accidental (unintentional), initial encounter
- T56.7X1DToxic effect of beryllium and its compounds, accidental (unintentional), subsequent encounter
- T56.7X1SToxic effect of beryllium and its compounds, accidental (unintentional), sequela
- T56.7X2AToxic effect of beryllium and its compounds, intentional self-harm, initial encounter
- T56.7X2DToxic effect of beryllium and its compounds, intentional self-harm, subsequent encounter
- T56.7X2SToxic effect of beryllium and its compounds, intentional self-harm, sequela
- T56.7X3AToxic effect of beryllium and its compounds, assault, initial encounter
- T56.7X3DToxic effect of beryllium and its compounds, assault, subsequent encounter
- T56.7X3SToxic effect of beryllium and its compounds, assault, sequela
- T56.7X4AToxic effect of beryllium and its compounds, undetermined, initial encounter
- T56.7X4DToxic effect of beryllium and its compounds, undetermined, subsequent encounter
- T56.7X4SToxic effect of beryllium and its compounds, undetermined, sequela
- T56.811AToxic effect of thallium, accidental (unintentional), initial encounter
- T56.811DToxic effect of thallium, accidental (unintentional), subsequent encounter
- T56.811SToxic effect of thallium, accidental (unintentional), sequela
- T56.812AToxic effect of thallium, intentional self-harm, initial encounter
- T56.812DToxic effect of thallium, intentional self-harm, subsequent encounter
- T56.812SToxic effect of thallium, intentional self-harm, sequela
- T56.813AToxic effect of thallium, assault, initial encounter
- T56.813DToxic effect of thallium, assault, subsequent encounter
- T56.813SToxic effect of thallium, assault, sequela
- T56.814AToxic effect of thallium, undetermined, initial encounter
- T56.814DToxic effect of thallium, undetermined, subsequent encounter
- T56.814SToxic effect of thallium, undetermined, sequela
- T56.821AToxic effect of gadolinium, accidental (unintentional), initial encounter
- T56.821DToxic effect of gadolinium, accidental (unintentional), subsequent encounter
- T56.821SToxic effect of gadolinium, accidental (unintentional), sequela
- T56.822AToxic effect of gadolinium, intentional self-harm, initial encounter
- T56.822DToxic effect of gadolinium, intentional self-harm, subsequent encounter
- T56.822SToxic effect of gadolinium, intentional self-harm, sequela
- T56.823AToxic effect of gadolinium, assault, initial encounter
- T56.823DToxic effect of gadolinium, assault, subsequent encounter
- T56.823SToxic effect of gadolinium, assault, sequela
- T56.824AToxic effect of gadolinium, undetermined, initial encounter
- T56.824DToxic effect of gadolinium, undetermined, subsequent encounter
- T56.824SToxic effect of gadolinium, undetermined, sequela
- T56.891AToxic effect of other metals, accidental (unintentional), initial encounter
- T56.891DToxic effect of other metals, accidental (unintentional), subsequent encounter
- T56.891SToxic effect of other metals, accidental (unintentional), sequela
- T56.892AToxic effect of other metals, intentional self-harm, initial encounter
- T56.892DToxic effect of other metals, intentional self-harm, subsequent encounter
- T56.892SToxic effect of other metals, intentional self-harm, sequela
- T56.893AToxic effect of other metals, assault, initial encounter
- T56.893DToxic effect of other metals, assault, subsequent encounter
- T56.893SToxic effect of other metals, assault, sequela
- T56.894AToxic effect of other metals, undetermined, initial encounter
- T56.894DToxic effect of other metals, undetermined, subsequent encounter
- T56.894SToxic effect of other metals, undetermined, sequela
T56 questions
What does T56 mean?
T56 is the ICD-10-CM code for Toxic effect of metals. 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.