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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T41.3X1|
Poisoning by local anesthetics, accidental (unintentional)
T41.3X1A|
Poisoning by local anesthetics, accidental (unintentional), initial encounter
T41.3X1D|
Poisoning by local anesthetics, accidental (unintentional), subsequent encounter
T41.3X1S|
Poisoning by local anesthetics, accidental (unintentional), sequela
T41.3X2|
Poisoning by local anesthetics, intentional self-harm
T41.3X2A|
Poisoning by local anesthetics, intentional self-harm, initial encounter
T41.3X2D|
Poisoning by local anesthetics, intentional self-harm, subsequent encounter
T41.3X2S|
Poisoning by local anesthetics, intentional self-harm, sequela
T41.3X3|
Poisoning by local anesthetics, assault
T41.3X3A|
Poisoning by local anesthetics, assault, initial encounter
T41.3X3D|
Poisoning by local anesthetics, assault, subsequent encounter
T41.3X3S|
Poisoning by local anesthetics, assault, sequela
T41.3X4|
Poisoning by local anesthetics, undetermined
T41.3X4A|
Poisoning by local anesthetics, undetermined, initial encounter
T41.3X4D|
Poisoning by local anesthetics, undetermined, subsequent encounter
T41.3X4S|
Poisoning by local anesthetics, undetermined, sequela
T41.3X5|
Adverse effect of local anesthetics
T41.3X5A|
Adverse effect of local anesthetics, initial encounter
T41.3X5D|
Adverse effect of local anesthetics, subsequent encounter
T41.3X5S|
Adverse effect of local anesthetics, sequela
T41.3X6|
Underdosing of local anesthetics
T41.3X6A|
Underdosing of local anesthetics, initial encounter
T41.3X6D|
Underdosing of local anesthetics, subsequent encounter
T41.3X6S|
Underdosing of local anesthetics, sequela
T41.4|
Poisoning by, adverse effect of and underdosing of unspecified anesthetic
T41.41|
Poisoning by unspecified anesthetic, accidental (unintentional)
T41.41XA|
Poisoning by unspecified anesthetic, accidental (unintentional), initial encounter
T41.41XD|
Poisoning by unspecified anesthetic, accidental (unintentional), subsequent encounter
T41.41XS|
Poisoning by unspecified anesthetic, accidental (unintentional), sequela
T41.42|
Poisoning by unspecified anesthetic, intentional self-harm
T41.42XA|
Poisoning by unspecified anesthetic, intentional self-harm, initial encounter
T41.42XD|
Poisoning by unspecified anesthetic, intentional self-harm, subsequent encounter
T41.42XS|
Poisoning by unspecified anesthetic, intentional self-harm, sequela
T41.43|
Poisoning by unspecified anesthetic, assault
T41.43XA|
Poisoning by unspecified anesthetic, assault, initial encounter
T41.43XD|
Poisoning by unspecified anesthetic, assault, subsequent encounter
T41.43XS|
Poisoning by unspecified anesthetic, assault, sequela
T41.44|
Poisoning by unspecified anesthetic, undetermined
T41.44XA|
Poisoning by unspecified anesthetic, undetermined, initial encounter
T41.44XD|
Poisoning by unspecified anesthetic, undetermined, subsequent encounter
T41.44XS|
Poisoning by unspecified anesthetic, undetermined, sequela
T41.45|
Adverse effect of unspecified anesthetic
T41.45XA|
Adverse effect of unspecified anesthetic, initial encounter
T41.45XD|
Adverse effect of unspecified anesthetic, subsequent encounter
T41.45XS|
Adverse effect of unspecified anesthetic, sequela
T41.46|
Underdosing of unspecified anesthetics
T41.46XA|
Underdosing of unspecified anesthetics, initial encounter
T41.46XD|
Underdosing of unspecified anesthetics, subsequent encounter
T41.46XS|
Underdosing of unspecified anesthetics, sequela
T41.5|
Poisoning by, adverse effect of and underdosing of therapeutic gases

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