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
  • T67.01XD|

    Heatstroke and sunstroke, subsequent encounter

  • T67.01XS|

    Heatstroke and sunstroke, sequela

  • T67.02|

    Exertional heatstroke

  • T67.02XA|

    Exertional heatstroke, initial encounter

  • T67.02XD|

    Exertional heatstroke, subsequent encounter

  • T67.02XS|

    Exertional heatstroke, sequela

  • T67.09|

    Other heatstroke and sunstroke

  • T67.09XA|

    Other heatstroke and sunstroke, initial encounter

  • T67.09XD|

    Other heatstroke and sunstroke, subsequent encounter

  • T67.09XS|

    Other heatstroke and sunstroke, sequela

  • T67.1|

    Heat syncope

  • T67.1XXA|

    Heat syncope, initial encounter

  • T67.1XXD|

    Heat syncope, subsequent encounter

  • T67.1XXS|

    Heat syncope, sequela

  • T67.2|

    Heat cramp

  • T67.2XXA|

    Heat cramp, initial encounter

  • T67.2XXD|

    Heat cramp, subsequent encounter

  • T67.2XXS|

    Heat cramp, sequela

  • T67.3|

    Heat exhaustion, anhydrotic

  • T67.3XXA|

    Heat exhaustion, anhydrotic, initial encounter

  • T67.3XXD|

    Heat exhaustion, anhydrotic, subsequent encounter

  • T67.3XXS|

    Heat exhaustion, anhydrotic, sequela

  • T67.4|

    Heat exhaustion due to salt depletion

  • T67.4XXA|

    Heat exhaustion due to salt depletion, initial encounter

  • T67.4XXD|

    Heat exhaustion due to salt depletion, subsequent encounter

  • T67.4XXS|

    Heat exhaustion due to salt depletion, sequela

  • T67.5|

    Heat exhaustion, unspecified

  • T67.5XXA|

    Heat exhaustion, unspecified, initial encounter

  • T67.5XXD|

    Heat exhaustion, unspecified, subsequent encounter

  • T67.5XXS|

    Heat exhaustion, unspecified, sequela

  • T67.6|

    Heat fatigue, transient

  • T67.6XXA|

    Heat fatigue, transient, initial encounter

  • T67.6XXD|

    Heat fatigue, transient, subsequent encounter

  • T67.6XXS|

    Heat fatigue, transient, sequela

  • T67.7|

    Heat edema

  • T67.7XXA|

    Heat edema, initial encounter

  • T67.7XXD|

    Heat edema, subsequent encounter

  • T67.7XXS|

    Heat edema, sequela

  • T67.8|

    Other effects of heat and light

  • T67.8XXA|

    Other effects of heat and light, initial encounter

  • T67.8XXD|

    Other effects of heat and light, subsequent encounter

  • T67.8XXS|

    Other effects of heat and light, sequela

  • T67.9|

    Effect of heat and light, unspecified

  • T67.9XXA|

    Effect of heat and light, unspecified, initial encounter

  • T67.9XXD|

    Effect of heat and light, unspecified, subsequent encounter

  • T67.9XXS|

    Effect of heat and light, unspecified, sequela

  • T68|

    Hypothermia

  • T68.XXXA|

    Hypothermia, initial encounter

  • T68.XXXD|

    Hypothermia, subsequent encounter

  • T68.XXXS|

    Hypothermia, sequela

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