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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T57.1X2D|
Toxic effect of phosphorus and its compounds, intentional self-harm, subsequent encounter
T57.1X2S|
Toxic effect of phosphorus and its compounds, intentional self-harm, sequela
T57.1X3|
Toxic effect of phosphorus and its compounds, assault
T57.1X3A|
Toxic effect of phosphorus and its compounds, assault, initial encounter
T57.1X3D|
Toxic effect of phosphorus and its compounds, assault, subsequent encounter
T57.1X3S|
Toxic effect of phosphorus and its compounds, assault, sequela
T57.1X4|
Toxic effect of phosphorus and its compounds, undetermined
T57.1X4A|
Toxic effect of phosphorus and its compounds, undetermined, initial encounter
T57.1X4D|
Toxic effect of phosphorus and its compounds, undetermined, subsequent encounter
T57.1X4S|
Toxic effect of phosphorus and its compounds, undetermined, sequela
T57.2|
Toxic effect of manganese and its compounds
T57.2X|
Toxic effect of manganese and its compounds
T57.2X1|
Toxic effect of manganese and its compounds, accidental (unintentional)
T57.2X1A|
Toxic effect of manganese and its compounds, accidental (unintentional), initial encounter
T57.2X1D|
Toxic effect of manganese and its compounds, accidental (unintentional), subsequent encounter
T57.2X1S|
Toxic effect of manganese and its compounds, accidental (unintentional), sequela
T57.2X2|
Toxic effect of manganese and its compounds, intentional self-harm
T57.2X2A|
Toxic effect of manganese and its compounds, intentional self-harm, initial encounter
T57.2X2D|
Toxic effect of manganese and its compounds, intentional self-harm, subsequent encounter
T57.2X2S|
Toxic effect of manganese and its compounds, intentional self-harm, sequela
T57.2X3|
Toxic effect of manganese and its compounds, assault
T57.2X3A|
Toxic effect of manganese and its compounds, assault, initial encounter
T57.2X3D|
Toxic effect of manganese and its compounds, assault, subsequent encounter
T57.2X3S|
Toxic effect of manganese and its compounds, assault, sequela
T57.2X4|
Toxic effect of manganese and its compounds, undetermined
T57.2X4A|
Toxic effect of manganese and its compounds, undetermined, initial encounter
T57.2X4D|
Toxic effect of manganese and its compounds, undetermined, subsequent encounter
T57.2X4S|
Toxic effect of manganese and its compounds, undetermined, sequela
T57.3|
Toxic effect of hydrogen cyanide
T57.3X|
Toxic effect of hydrogen cyanide
T57.3X1|
Toxic effect of hydrogen cyanide, accidental (unintentional)
T57.3X1A|
Toxic effect of hydrogen cyanide, accidental (unintentional), initial encounter
T57.3X1D|
Toxic effect of hydrogen cyanide, accidental (unintentional), subsequent encounter
T57.3X1S|
Toxic effect of hydrogen cyanide, accidental (unintentional), sequela
T57.3X2|
Toxic effect of hydrogen cyanide, intentional self-harm
T57.3X2A|
Toxic effect of hydrogen cyanide, intentional self-harm, initial encounter
T57.3X2D|
Toxic effect of hydrogen cyanide, intentional self-harm, subsequent encounter
T57.3X2S|
Toxic effect of hydrogen cyanide, intentional self-harm, sequela
T57.3X3|
Toxic effect of hydrogen cyanide, assault
T57.3X3A|
Toxic effect of hydrogen cyanide, assault, initial encounter
T57.3X3D|
Toxic effect of hydrogen cyanide, assault, subsequent encounter
T57.3X3S|
Toxic effect of hydrogen cyanide, assault, sequela
T57.3X4|
Toxic effect of hydrogen cyanide, undetermined
T57.3X4A|
Toxic effect of hydrogen cyanide, undetermined, initial encounter
T57.3X4D|
Toxic effect of hydrogen cyanide, undetermined, subsequent encounter
T57.3X4S|
Toxic effect of hydrogen cyanide, undetermined, sequela
T57.8|
Toxic effect of other specified inorganic substances
T57.8X|
Toxic effect of other specified inorganic substances
T57.8X1|
Toxic effect of other specified inorganic substances, accidental (unintentional)
T57.8X1A|
Toxic effect of other specified inorganic substances, accidental (unintentional), initial encounter

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