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
  • T43.203S|

    Poisoning by unspecified antidepressants, assault, sequela

  • T43.204|

    Poisoning by unspecified antidepressants, undetermined

  • T43.204A|

    Poisoning by unspecified antidepressants, undetermined, initial encounter

  • T43.204D|

    Poisoning by unspecified antidepressants, undetermined, subsequent encounter

  • T43.204S|

    Poisoning by unspecified antidepressants, undetermined, sequela

  • T43.205|

    Adverse effect of unspecified antidepressants

  • T43.205A|

    Adverse effect of unspecified antidepressants, initial encounter

  • T43.205D|

    Adverse effect of unspecified antidepressants, subsequent encounter

  • T43.205S|

    Adverse effect of unspecified antidepressants, sequela

  • T43.206|

    Underdosing of unspecified antidepressants

  • T43.206A|

    Underdosing of unspecified antidepressants, initial encounter

  • T43.206D|

    Underdosing of unspecified antidepressants, subsequent encounter

  • T43.206S|

    Underdosing of unspecified antidepressants, sequela

  • T43.21|

    Poisoning by, adverse effect of and underdosing of selective serotonin and norepinephrine reuptake inhibitors

  • T43.211|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, accidental (unintentional)

  • T43.211A|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, accidental (unintentional), initial encounter

  • T43.211D|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, accidental (unintentional), subsequent encounter

  • T43.211S|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, accidental (unintentional), sequela

  • T43.212|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, intentional self-harm

  • T43.212A|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, intentional self-harm, initial encounter

  • T43.212D|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, intentional self-harm, subsequent encounter

  • T43.212S|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, intentional self-harm, sequela

  • T43.213|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, assault

  • T43.213A|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, assault, initial encounter

  • T43.213D|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, assault, subsequent encounter

  • T43.213S|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, assault, sequela

  • T43.214|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, undetermined

  • T43.214A|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, undetermined, initial encounter

  • T43.214D|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, undetermined, subsequent encounter

  • T43.214S|

    Poisoning by selective serotonin and norepinephrine reuptake inhibitors, undetermined, sequela

  • T43.215|

    Adverse effect of selective serotonin and norepinephrine reuptake inhibitors

  • T43.215A|

    Adverse effect of selective serotonin and norepinephrine reuptake inhibitors, initial encounter

  • T43.215D|

    Adverse effect of selective serotonin and norepinephrine reuptake inhibitors, subsequent encounter

  • T43.215S|

    Adverse effect of selective serotonin and norepinephrine reuptake inhibitors, sequela

  • T43.216|

    Underdosing of selective serotonin and norepinephrine reuptake inhibitors

  • T43.216A|

    Underdosing of selective serotonin and norepinephrine reuptake inhibitors, initial encounter

  • T43.216D|

    Underdosing of selective serotonin and norepinephrine reuptake inhibitors, subsequent encounter

  • T43.216S|

    Underdosing of selective serotonin and norepinephrine reuptake inhibitors, sequela

  • T43.22|

    Poisoning by, adverse effect of and underdosing of selective serotonin reuptake inhibitors

  • T43.221|

    Poisoning by selective serotonin reuptake inhibitors, accidental (unintentional)

  • T43.221A|

    Poisoning by selective serotonin reuptake inhibitors, accidental (unintentional), initial encounter

  • T43.221D|

    Poisoning by selective serotonin reuptake inhibitors, accidental (unintentional), subsequent encounter

  • T43.221S|

    Poisoning by selective serotonin reuptake inhibitors, accidental (unintentional), sequela

  • T43.222|

    Poisoning by selective serotonin reuptake inhibitors, intentional self-harm

  • T43.222A|

    Poisoning by selective serotonin reuptake inhibitors, intentional self-harm, initial encounter

  • T43.222D|

    Poisoning by selective serotonin reuptake inhibitors, intentional self-harm, subsequent encounter

  • T43.222S|

    Poisoning by selective serotonin reuptake inhibitors, intentional self-harm, sequela

  • T43.223|

    Poisoning by selective serotonin reuptake inhibitors, assault

  • T43.223A|

    Poisoning by selective serotonin reuptake inhibitors, assault, initial encounter

  • T43.223D|

    Poisoning by selective serotonin reuptake inhibitors, assault, subsequent encounter

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