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.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)
Internal Codes
  • T44.7X2A|

    Poisoning by beta-adrenoreceptor antagonists, intentional self-harm, initial encounter

  • T44.7X2D|

    Poisoning by beta-adrenoreceptor antagonists, intentional self-harm, subsequent encounter

  • T44.7X2S|

    Poisoning by beta-adrenoreceptor antagonists, intentional self-harm, sequela

  • T44.7X3|

    Poisoning by beta-adrenoreceptor antagonists, assault

  • T44.7X3A|

    Poisoning by beta-adrenoreceptor antagonists, assault, initial encounter

  • T44.7X3D|

    Poisoning by beta-adrenoreceptor antagonists, assault, subsequent encounter

  • T44.7X3S|

    Poisoning by beta-adrenoreceptor antagonists, assault, sequela

  • T44.7X4|

    Poisoning by beta-adrenoreceptor antagonists, undetermined

  • T44.7X4A|

    Poisoning by beta-adrenoreceptor antagonists, undetermined, initial encounter

  • T44.7X4D|

    Poisoning by beta-adrenoreceptor antagonists, undetermined, subsequent encounter

  • T44.7X4S|

    Poisoning by beta-adrenoreceptor antagonists, undetermined, sequela

  • T44.7X5|

    Adverse effect of beta-adrenoreceptor antagonists

  • T44.7X5A|

    Adverse effect of beta-adrenoreceptor antagonists, initial encounter

  • T44.7X5D|

    Adverse effect of beta-adrenoreceptor antagonists, subsequent encounter

  • T44.7X5S|

    Adverse effect of beta-adrenoreceptor antagonists, sequela

  • T44.7X6|

    Underdosing of beta-adrenoreceptor antagonists

  • T44.7X6A|

    Underdosing of beta-adrenoreceptor antagonists, initial encounter

  • T44.7X6D|

    Underdosing of beta-adrenoreceptor antagonists, subsequent encounter

  • T44.7X6S|

    Underdosing of beta-adrenoreceptor antagonists, sequela

  • T44.8|

    Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic-neuron- blocking agents

  • T44.8X|

    Poisoning by, adverse effect of and underdosing of centrally-acting and adrenergic- neuron-blocking agents

  • T44.8X1|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional)

  • T44.8X1A|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), initial encounter

  • T44.8X1D|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), subsequent encounter

  • T44.8X1S|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, accidental (unintentional), sequela

  • T44.8X2|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm

  • T44.8X2A|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, initial encounter

  • T44.8X2D|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, subsequent encounter

  • T44.8X2S|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, intentional self-harm, sequela

  • T44.8X3|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault

  • T44.8X3A|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, initial encounter

  • T44.8X3D|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, subsequent encounter

  • T44.8X3S|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, assault, sequela

  • T44.8X4|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined

  • T44.8X4A|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, initial encounter

  • T44.8X4D|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, subsequent encounter

  • T44.8X4S|

    Poisoning by centrally-acting and adrenergic-neuron-blocking agents, undetermined, sequela

  • T44.8X5|

    Adverse effect of centrally-acting and adrenergic-neuron-blocking agents

  • T44.8X5A|

    Adverse effect of centrally-acting and adrenergic-neuron-blocking agents, initial encounter

  • T44.8X5D|

    Adverse effect of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter

  • T44.8X5S|

    Adverse effect of centrally-acting and adrenergic-neuron-blocking agents, sequela

  • T44.8X6|

    Underdosing of centrally-acting and adrenergic-neuron-blocking agents

  • T44.8X6A|

    Underdosing of centrally-acting and adrenergic-neuron-blocking agents, initial encounter

  • T44.8X6D|

    Underdosing of centrally-acting and adrenergic-neuron-blocking agents, subsequent encounter

  • T44.8X6S|

    Underdosing of centrally-acting and adrenergic-neuron-blocking agents, sequela

  • T44.9|

    Poisoning by, adverse effect of and underdosing of other and unspecified drugs primarily affecting the autonomic nervous system

  • T44.90|

    Poisoning by, adverse effect of and underdosing of unspecified drugs primarily affecting the autonomic nervous system

  • T44.901|

    Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional)

  • T44.901A|

    Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), initial encounter

  • T44.901D|

    Poisoning by unspecified drugs primarily affecting the autonomic nervous system, accidental (unintentional), subsequent encounter

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