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
  • T33.521A

    Superficial frostbite of right hand, initial encounter

  • T33.521D

    Superficial frostbite of right hand, subsequent encounter

  • T33.521S

    Superficial frostbite of right hand, sequela

  • T33.522

    Superficial frostbite of left hand

  • T33.522A

    Superficial frostbite of left hand, initial encounter

  • T33.522D

    Superficial frostbite of left hand, subsequent encounter

  • T33.522S

    Superficial frostbite of left hand, sequela

  • T33.529

    Superficial frostbite of unspecified hand

  • T33.529A

    Superficial frostbite of unspecified hand, initial encounter

  • T33.529D

    Superficial frostbite of unspecified hand, subsequent encounter

  • T33.529S

    Superficial frostbite of unspecified hand, sequela

  • T33.53

    Superficial frostbite of finger(s)

  • T33.531

    Superficial frostbite of right finger(s)

  • T33.531A

    Superficial frostbite of right finger(s), initial encounter

  • T33.531D

    Superficial frostbite of right finger(s), subsequent encounter

  • T33.531S

    Superficial frostbite of right finger(s), sequela

  • T33.532

    Superficial frostbite of left finger(s)

  • T33.532A

    Superficial frostbite of left finger(s), initial encounter

  • T33.532D

    Superficial frostbite of left finger(s), subsequent encounter

  • T33.532S

    Superficial frostbite of left finger(s), sequela

  • T33.539

    Superficial frostbite of unspecified finger(s)

  • T33.539A

    Superficial frostbite of unspecified finger(s), initial encounter

  • T33.539D

    Superficial frostbite of unspecified finger(s), subsequent encounter

  • T33.539S

    Superficial frostbite of unspecified finger(s), sequela

  • T33.6

    Superficial frostbite of hip and thigh

  • T33.60

    Superficial frostbite of unspecified hip and thigh

  • T33.60XA

    Superficial frostbite of unspecified hip and thigh, initial encounter

  • T33.60XD

    Superficial frostbite of unspecified hip and thigh, subsequent encounter

  • T33.60XS

    Superficial frostbite of unspecified hip and thigh, sequela

  • T33.61

    Superficial frostbite of right hip and thigh

  • T33.61XA

    Superficial frostbite of right hip and thigh, initial encounter

  • T33.61XD

    Superficial frostbite of right hip and thigh, subsequent encounter

  • T33.61XS

    Superficial frostbite of right hip and thigh, sequela

  • T33.62

    Superficial frostbite of left hip and thigh

  • T33.62XA

    Superficial frostbite of left hip and thigh, initial encounter

  • T33.62XD

    Superficial frostbite of left hip and thigh, subsequent encounter

  • T33.62XS

    Superficial frostbite of left hip and thigh, sequela

  • T33.7

    Superficial frostbite of knee and lower leg

  • T33.70

    Superficial frostbite of unspecified knee and lower leg

  • T33.70XA

    Superficial frostbite of unspecified knee and lower leg, initial encounter

  • T33.70XD

    Superficial frostbite of unspecified knee and lower leg, subsequent encounter

  • T33.70XS

    Superficial frostbite of unspecified knee and lower leg, sequela

  • T33.71

    Superficial frostbite of right knee and lower leg

  • T33.71XA

    Superficial frostbite of right knee and lower leg, initial encounter

  • T33.71XD

    Superficial frostbite of right knee and lower leg, subsequent encounter

  • T33.71XS

    Superficial frostbite of right knee and lower leg, sequela

  • T33.72

    Superficial frostbite of left knee and lower leg

  • T33.72XA

    Superficial frostbite of left knee and lower leg, initial encounter

  • T33.72XD

    Superficial frostbite of left knee and lower leg, subsequent encounter

  • T33.72XS

    Superficial frostbite of left knee and lower leg, sequela

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