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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T47.5X|
Poisoning by, adverse effect of and underdosing of digestants
T47.5X1|
Poisoning by digestants, accidental (unintentional)
T47.5X1A|
Poisoning by digestants, accidental (unintentional), initial encounter
T47.5X1D|
Poisoning by digestants, accidental (unintentional), subsequent encounter
T47.5X1S|
Poisoning by digestants, accidental (unintentional), sequela
T47.5X2|
Poisoning by digestants, intentional self-harm
T47.5X2A|
Poisoning by digestants, intentional self-harm, initial encounter
T47.5X2D|
Poisoning by digestants, intentional self-harm, subsequent encounter
T47.5X2S|
Poisoning by digestants, intentional self-harm, sequela
T47.5X3|
Poisoning by digestants, assault
T47.5X3A|
Poisoning by digestants, assault, initial encounter
T47.5X3D|
Poisoning by digestants, assault, subsequent encounter
T47.5X3S|
Poisoning by digestants, assault, sequela
T47.5X4|
Poisoning by digestants, undetermined
T47.5X4A|
Poisoning by digestants, undetermined, initial encounter
T47.5X4D|
Poisoning by digestants, undetermined, subsequent encounter
T47.5X4S|
Poisoning by digestants, undetermined, sequela
T47.5X5|
Adverse effect of digestants
T47.5X5A|
Adverse effect of digestants, initial encounter
T47.5X5D|
Adverse effect of digestants, subsequent encounter
T47.5X5S|
Adverse effect of digestants, sequela
T47.5X6|
Underdosing of digestants
T47.5X6A|
Underdosing of digestants, initial encounter
T47.5X6D|
Underdosing of digestants, subsequent encounter
T47.5X6S|
Underdosing of digestants, sequela
T47.6|
Poisoning by, adverse effect of and underdosing of antidiarrheal drugs
T47.6X|
Poisoning by, adverse effect of and underdosing of antidiarrheal drugs
T47.6X1|
Poisoning by antidiarrheal drugs, accidental (unintentional)
T47.6X1A|
Poisoning by antidiarrheal drugs, accidental (unintentional), initial encounter
T47.6X1D|
Poisoning by antidiarrheal drugs, accidental (unintentional), subsequent encounter
T47.6X1S|
Poisoning by antidiarrheal drugs, accidental (unintentional), sequela
T47.6X2|
Poisoning by antidiarrheal drugs, intentional self-harm
T47.6X2A|
Poisoning by antidiarrheal drugs, intentional self-harm, initial encounter
T47.6X2D|
Poisoning by antidiarrheal drugs, intentional self-harm, subsequent encounter
T47.6X2S|
Poisoning by antidiarrheal drugs, intentional self-harm, sequela
T47.6X3|
Poisoning by antidiarrheal drugs, assault
T47.6X3A|
Poisoning by antidiarrheal drugs, assault, initial encounter
T47.6X3D|
Poisoning by antidiarrheal drugs, assault, subsequent encounter
T47.6X3S|
Poisoning by antidiarrheal drugs, assault, sequela
T47.6X4|
Poisoning by antidiarrheal drugs, undetermined
T47.6X4A|
Poisoning by antidiarrheal drugs, undetermined, initial encounter
T47.6X4D|
Poisoning by antidiarrheal drugs, undetermined, subsequent encounter
T47.6X4S|
Poisoning by antidiarrheal drugs, undetermined, sequela
T47.6X5|
Adverse effect of antidiarrheal drugs
T47.6X5A|
Adverse effect of antidiarrheal drugs, initial encounter
T47.6X5D|
Adverse effect of antidiarrheal drugs, subsequent encounter
T47.6X5S|
Adverse effect of antidiarrheal drugs, sequela
T47.6X6|
Underdosing of antidiarrheal drugs
T47.6X6A|
Underdosing of antidiarrheal drugs, initial encounter
T47.6X6D|
Underdosing of antidiarrheal drugs, subsequent encounter

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