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
  • T34.0

    Frostbite with tissue necrosis of head

  • T34.01

    Frostbite with tissue necrosis of ear

  • T34.011

    Frostbite with tissue necrosis of right ear

  • T34.011A

    Frostbite with tissue necrosis of right ear, initial encounter

  • T34.011D

    Frostbite with tissue necrosis of right ear, subsequent encounter

  • T34.011S

    Frostbite with tissue necrosis of right ear, sequela

  • T34.012

    Frostbite with tissue necrosis of left ear

  • T34.012A

    Frostbite with tissue necrosis of left ear, initial encounter

  • T34.012D

    Frostbite with tissue necrosis of left ear, subsequent encounter

  • T34.012S

    Frostbite with tissue necrosis of left ear, sequela

  • T34.019

    Frostbite with tissue necrosis of unspecified ear

  • T34.019A

    Frostbite with tissue necrosis of unspecified ear, initial encounter

  • T34.019D

    Frostbite with tissue necrosis of unspecified ear, subsequent encounter

  • T34.019S

    Frostbite with tissue necrosis of unspecified ear, sequela

  • T34.02

    Frostbite with tissue necrosis of nose

  • T34.02XA

    Frostbite with tissue necrosis of nose, initial encounter

  • T34.02XD

    Frostbite with tissue necrosis of nose, subsequent encounter

  • T34.02XS

    Frostbite with tissue necrosis of nose, sequela

  • T34.09

    Frostbite with tissue necrosis of other part of head

  • T34.09XA

    Frostbite with tissue necrosis of other part of head, initial encounter

  • T34.09XD

    Frostbite with tissue necrosis of other part of head, subsequent encounter

  • T34.09XS

    Frostbite with tissue necrosis of other part of head, sequela

  • T34.1

    Frostbite with tissue necrosis of neck

  • T34.1XXA

    Frostbite with tissue necrosis of neck, initial encounter

  • T34.1XXD

    Frostbite with tissue necrosis of neck, subsequent encounter

  • T34.1XXS

    Frostbite with tissue necrosis of neck, sequela

  • T34.2

    Frostbite with tissue necrosis of thorax

  • T34.2XXA

    Frostbite with tissue necrosis of thorax, initial encounter

  • T34.2XXD

    Frostbite with tissue necrosis of thorax, subsequent encounter

  • T34.2XXS

    Frostbite with tissue necrosis of thorax, sequela

  • T34.3

    Frostbite with tissue necrosis of abdominal wall, lower back and pelvis

  • T34.3XXA

    Frostbite with tissue necrosis of abdominal wall, lower back and pelvis, initial encounter

  • T34.3XXD

    Frostbite with tissue necrosis of abdominal wall, lower back and pelvis, subsequent encounter

  • T34.3XXS

    Frostbite with tissue necrosis of abdominal wall, lower back and pelvis, sequela

  • T34.4

    Frostbite with tissue necrosis of arm

  • T34.40

    Frostbite with tissue necrosis of unspecified arm

  • T34.40XA

    Frostbite with tissue necrosis of unspecified arm, initial encounter

  • T34.40XD

    Frostbite with tissue necrosis of unspecified arm, subsequent encounter

  • T34.40XS

    Frostbite with tissue necrosis of unspecified arm, sequela

  • T34.41

    Frostbite with tissue necrosis of right arm

  • T34.41XA

    Frostbite with tissue necrosis of right arm, initial encounter

  • T34.41XD

    Frostbite with tissue necrosis of right arm, subsequent encounter

  • T34.41XS

    Frostbite with tissue necrosis of right arm, sequela

  • T34.42

    Frostbite with tissue necrosis of left arm

  • T34.42XA

    Frostbite with tissue necrosis of left arm, initial encounter

  • T34.42XD

    Frostbite with tissue necrosis of left arm, subsequent encounter

  • T34.42XS

    Frostbite with tissue necrosis of left arm, sequela

  • T34.5

    Frostbite with tissue necrosis of wrist, hand, and finger(s)

  • T34.51

    Frostbite with tissue necrosis of wrist

  • T34.511

    Frostbite with tissue necrosis of right wrist

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