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
  • T33.019S

    Superficial frostbite of unspecified ear, sequela

  • T33.02

    Superficial frostbite of nose

  • T33.02XA

    Superficial frostbite of nose, initial encounter

  • T33.02XD

    Superficial frostbite of nose, subsequent encounter

  • T33.02XS

    Superficial frostbite of nose, sequela

  • T33.09

    Superficial frostbite of other part of head

  • T33.09XA

    Superficial frostbite of other part of head, initial encounter

  • T33.09XD

    Superficial frostbite of other part of head, subsequent encounter

  • T33.09XS

    Superficial frostbite of other part of head, sequela

  • T33.1

    Superficial frostbite of neck

  • T33.1XXA

    Superficial frostbite of neck, initial encounter

  • T33.1XXD

    Superficial frostbite of neck, subsequent encounter

  • T33.1XXS

    Superficial frostbite of neck, sequela

  • T33.2

    Superficial frostbite of thorax

  • T33.2XXA

    Superficial frostbite of thorax, initial encounter

  • T33.2XXD

    Superficial frostbite of thorax, subsequent encounter

  • T33.2XXS

    Superficial frostbite of thorax, sequela

  • T33.3

    Superficial frostbite of abdominal wall, lower back and pelvis

  • T33.3XXA

    Superficial frostbite of abdominal wall, lower back and pelvis, initial encounter

  • T33.3XXD

    Superficial frostbite of abdominal wall, lower back and pelvis, subsequent encounter

  • T33.3XXS

    Superficial frostbite of abdominal wall, lower back and pelvis, sequela

  • T33.4

    Superficial frostbite of arm

  • T33.40

    Superficial frostbite of unspecified arm

  • T33.40XA

    Superficial frostbite of unspecified arm, initial encounter

  • T33.40XD

    Superficial frostbite of unspecified arm, subsequent encounter

  • T33.40XS

    Superficial frostbite of unspecified arm, sequela

  • T33.41

    Superficial frostbite of right arm

  • T33.41XA

    Superficial frostbite of right arm, initial encounter

  • T33.41XD

    Superficial frostbite of right arm, subsequent encounter

  • T33.41XS

    Superficial frostbite of right arm, sequela

  • T33.42

    Superficial frostbite of left arm

  • T33.42XA

    Superficial frostbite of left arm, initial encounter

  • T33.42XD

    Superficial frostbite of left arm, subsequent encounter

  • T33.42XS

    Superficial frostbite of left arm, sequela

  • T33.5

    Superficial frostbite of wrist, hand, and fingers

  • T33.51

    Superficial frostbite of wrist

  • T33.511

    Superficial frostbite of right wrist

  • T33.511A

    Superficial frostbite of right wrist, initial encounter

  • T33.511D

    Superficial frostbite of right wrist, subsequent encounter

  • T33.511S

    Superficial frostbite of right wrist, sequela

  • T33.512

    Superficial frostbite of left wrist

  • T33.512A

    Superficial frostbite of left wrist, initial encounter

  • T33.512D

    Superficial frostbite of left wrist, subsequent encounter

  • T33.512S

    Superficial frostbite of left wrist, sequela

  • T33.519

    Superficial frostbite of unspecified wrist

  • T33.519A

    Superficial frostbite of unspecified wrist, initial encounter

  • T33.519D

    Superficial frostbite of unspecified wrist, subsequent encounter

  • T33.519S

    Superficial frostbite of unspecified wrist, sequela

  • T33.52

    Superficial frostbite of hand

  • T33.521

    Superficial frostbite of right hand

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