ICD-10-CM category
T56 Toxic effect of metals
T56 is a category, not a billable code. Report one of the 144 complete codes below.
T56.0…
12 codes
- 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
T56.1…
12 codes
- 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
T56.2…
12 codes
- 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
T56.3…
12 codes
- 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
T56.4…
12 codes
- 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
T56.5…
12 codes
- 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
T56.6…
12 codes
- 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
T56.7…
12 codes
- 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
T56.8…
36 codes
- 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
T56.9…
12 codes
- T56.91XAToxic effect of unspecified metal, accidental (unintentional), initial encounter
- T56.91XDToxic effect of unspecified metal, accidental (unintentional), subsequent encounter
- T56.91XSToxic effect of unspecified metal, accidental (unintentional), sequela
- T56.92XAToxic effect of unspecified metal, intentional self-harm, initial encounter
- T56.92XDToxic effect of unspecified metal, intentional self-harm, subsequent encounter
- T56.92XSToxic effect of unspecified metal, intentional self-harm, sequela
- T56.93XAToxic effect of unspecified metal, assault, initial encounter
- T56.93XDToxic effect of unspecified metal, assault, subsequent encounter
- T56.93XSToxic effect of unspecified metal, assault, sequela
- T56.94XAToxic effect of unspecified metal, undetermined, initial encounter
- T56.94XDToxic effect of unspecified metal, undetermined, subsequent encounter
- T56.94XSToxic effect of unspecified metal, undetermined, sequela
Outside the US? T56 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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