Chapter 19

S00–T88: Injury, Poisoning and Certain Other Consequences of External Causes

Injury, Poisoning and Certain Other Consequences of External Causes diagnostic classification updated for 2026.

Chapter Instructions

Excludes2(Not included here. Code separately if applicable.)

birth trauma (P10-P15)
obstetric trauma (O70-O71)

Use Additional Code

code to identify any retained foreign body, if applicable (Z18.-)

All Codes Billable Only

Internal Codes

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T56.2X1D|
Toxic effect of chromium and its compounds, accidental (unintentional), subsequent encounter
T56.2X1S|
Toxic effect of chromium and its compounds, accidental (unintentional), sequela
T56.2X2|
Toxic effect of chromium and its compounds, intentional self-harm
T56.2X2A|
Toxic effect of chromium and its compounds, intentional self-harm, initial encounter
T56.2X2D|
Toxic effect of chromium and its compounds, intentional self-harm, subsequent encounter
T56.2X2S|
Toxic effect of chromium and its compounds, intentional self-harm, sequela
T56.2X3|
Toxic effect of chromium and its compounds, assault
T56.2X3A|
Toxic effect of chromium and its compounds, assault, initial encounter
T56.2X3D|
Toxic effect of chromium and its compounds, assault, subsequent encounter
T56.2X3S|
Toxic effect of chromium and its compounds, assault, sequela
T56.2X4|
Toxic effect of chromium and its compounds, undetermined
T56.2X4A|
Toxic effect of chromium and its compounds, undetermined, initial encounter
T56.2X4D|
Toxic effect of chromium and its compounds, undetermined, subsequent encounter
T56.2X4S|
Toxic effect of chromium and its compounds, undetermined, sequela
T56.3|
Toxic effects of cadmium and its compounds
T56.3X|
Toxic effects of cadmium and its compounds
T56.3X1|
Toxic effect of cadmium and its compounds, accidental (unintentional)
T56.3X1A|
Toxic effect of cadmium and its compounds, accidental (unintentional), initial encounter
T56.3X1D|
Toxic effect of cadmium and its compounds, accidental (unintentional), subsequent encounter
T56.3X1S|
Toxic effect of cadmium and its compounds, accidental (unintentional), sequela
T56.3X2|
Toxic effect of cadmium and its compounds, intentional self-harm
T56.3X2A|
Toxic effect of cadmium and its compounds, intentional self-harm, initial encounter
T56.3X2D|
Toxic effect of cadmium and its compounds, intentional self-harm, subsequent encounter
T56.3X2S|
Toxic effect of cadmium and its compounds, intentional self-harm, sequela
T56.3X3|
Toxic effect of cadmium and its compounds, assault
T56.3X3A|
Toxic effect of cadmium and its compounds, assault, initial encounter
T56.3X3D|
Toxic effect of cadmium and its compounds, assault, subsequent encounter
T56.3X3S|
Toxic effect of cadmium and its compounds, assault, sequela
T56.3X4|
Toxic effect of cadmium and its compounds, undetermined
T56.3X4A|
Toxic effect of cadmium and its compounds, undetermined, initial encounter
T56.3X4D|
Toxic effect of cadmium and its compounds, undetermined, subsequent encounter
T56.3X4S|
Toxic effect of cadmium and its compounds, undetermined, sequela
T56.4|
Toxic effects of copper and its compounds
T56.4X|
Toxic effects of copper and its compounds
T56.4X1|
Toxic effect of copper and its compounds, accidental (unintentional)
T56.4X1A|
Toxic effect of copper and its compounds, accidental (unintentional), initial encounter
T56.4X1D|
Toxic effect of copper and its compounds, accidental (unintentional), subsequent encounter
T56.4X1S|
Toxic effect of copper and its compounds, accidental (unintentional), sequela
T56.4X2|
Toxic effect of copper and its compounds, intentional self-harm
T56.4X2A|
Toxic effect of copper and its compounds, intentional self-harm, initial encounter
T56.4X2D|
Toxic effect of copper and its compounds, intentional self-harm, subsequent encounter
T56.4X2S|
Toxic effect of copper and its compounds, intentional self-harm, sequela
T56.4X3|
Toxic effect of copper and its compounds, assault
T56.4X3A|
Toxic effect of copper and its compounds, assault, initial encounter
T56.4X3D|
Toxic effect of copper and its compounds, assault, subsequent encounter
T56.4X3S|
Toxic effect of copper and its compounds, assault, sequela
T56.4X4|
Toxic effect of copper and its compounds, undetermined
T56.4X4A|
Toxic effect of copper and its compounds, undetermined, initial encounter
T56.4X4D|
Toxic effect of copper and its compounds, undetermined, subsequent encounter
T56.4X4S|
Toxic effect of copper and its compounds, undetermined, sequela

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