All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • T34.839A—

    Frostbite with tissue necrosis of unspecified toe(s), initial encounter

  • T34.839D—

    Frostbite with tissue necrosis of unspecified toe(s), subsequent encounter

  • T34.839S—

    Frostbite with tissue necrosis of unspecified toe(s), sequela

  • T34.9—

    Frostbite with tissue necrosis of other and unspecified sites

  • T34.90—

    Frostbite with tissue necrosis of unspecified sites

  • T34.90XA—

    Frostbite with tissue necrosis of unspecified sites, initial encounter

  • T34.90XD—

    Frostbite with tissue necrosis of unspecified sites, subsequent encounter

  • T34.90XS—

    Frostbite with tissue necrosis of unspecified sites, sequela

  • T34.99—

    Frostbite with tissue necrosis of other sites

  • T34.99XA—

    Frostbite with tissue necrosis of other sites, initial encounter

  • T34.99XD—

    Frostbite with tissue necrosis of other sites, subsequent encounter

  • T34.99XS—

    Frostbite with tissue necrosis of other sites, sequela

  • T36—

    Poisoning by, adverse effect of and underdosing of systemic antibiotics

  • T36.0—

    Poisoning by, adverse effect of and underdosing of penicillins

  • T36.0X—

    Poisoning by, adverse effect of and underdosing of penicillins

  • T36.0X1—

    Poisoning by penicillins, accidental (unintentional)

  • T36.0X1A—

    Poisoning by penicillins, accidental (unintentional), initial encounter

  • T36.0X1D—

    Poisoning by penicillins, accidental (unintentional), subsequent encounter

  • T36.0X1S—

    Poisoning by penicillins, accidental (unintentional), sequela

  • T36.0X2—

    Poisoning by penicillins, intentional self-harm

  • T36.0X2A—

    Poisoning by penicillins, intentional self-harm, initial encounter

  • T36.0X2D—

    Poisoning by penicillins, intentional self-harm, subsequent encounter

  • T36.0X2S—

    Poisoning by penicillins, intentional self-harm, sequela

  • T36.0X3—

    Poisoning by penicillins, assault

  • T36.0X3A—

    Poisoning by penicillins, assault, initial encounter

  • T36.0X3D—

    Poisoning by penicillins, assault, subsequent encounter

  • T36.0X3S—

    Poisoning by penicillins, assault, sequela

  • T36.0X4—

    Poisoning by penicillins, undetermined

  • T36.0X4A—

    Poisoning by penicillins, undetermined, initial encounter

  • T36.0X4D—

    Poisoning by penicillins, undetermined, subsequent encounter

  • T36.0X4S—

    Poisoning by penicillins, undetermined, sequela

  • T36.0X5—

    Adverse effect of penicillins

  • T36.0X5A—

    Adverse effect of penicillins, initial encounter

  • T36.0X5D—

    Adverse effect of penicillins, subsequent encounter

  • T36.0X5S—

    Adverse effect of penicillins, sequela

  • T36.0X6—

    Underdosing of penicillins

  • T36.0X6A—

    Underdosing of penicillins, initial encounter

  • T36.0X6D—

    Underdosing of penicillins, subsequent encounter

  • T36.0X6S—

    Underdosing of penicillins, sequela

  • T36.1—

    Poisoning by, adverse effect of and underdosing of cephalosporins and other beta-lactam antibiotics

  • T36.1X—

    Poisoning by, adverse effect of and underdosing of cephalosporins and other beta-lactam antibiotics

  • T36.1X1—

    Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional)

  • T36.1X1A—

    Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), initial encounter

  • T36.1X1D—

    Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), subsequent encounter

  • T36.1X1S—

    Poisoning by cephalosporins and other beta-lactam antibiotics, accidental (unintentional), sequela

  • T36.1X2—

    Poisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harm

  • T36.1X2A—

    Poisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harm, initial encounter

  • T36.1X2D—

    Poisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harm, subsequent encounter

  • T36.1X2S—

    Poisoning by cephalosporins and other beta-lactam antibiotics, intentional self-harm, sequela

  • T36.1X3—

    Poisoning by cephalosporins and other beta-lactam antibiotics, assault

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