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
  • T23.659S

    Corrosion of second degree of unspecified palm, sequela

  • T23.66

    Corrosion of second degree of back of hand

  • T23.661

    Corrosion of second degree back of right hand

  • T23.661A

    Corrosion of second degree back of right hand, initial encounter

  • T23.661D

    Corrosion of second degree back of right hand, subsequent encounter

  • T23.661S

    Corrosion of second degree back of right hand, sequela

  • T23.662

    Corrosion of second degree back of left hand

  • T23.662A

    Corrosion of second degree back of left hand, initial encounter

  • T23.662D

    Corrosion of second degree back of left hand, subsequent encounter

  • T23.662S

    Corrosion of second degree back of left hand, sequela

  • T23.669

    Corrosion of second degree back of unspecified hand

  • T23.669A

    Corrosion of second degree back of unspecified hand, initial encounter

  • T23.669D

    Corrosion of second degree back of unspecified hand, subsequent encounter

  • T23.669S

    Corrosion of second degree back of unspecified hand, sequela

  • T23.67

    Corrosion of second degree of wrist

  • T23.671

    Corrosion of second degree of right wrist

  • T23.671A

    Corrosion of second degree of right wrist, initial encounter

  • T23.671D

    Corrosion of second degree of right wrist, subsequent encounter

  • T23.671S

    Corrosion of second degree of right wrist, sequela

  • T23.672

    Corrosion of second degree of left wrist

  • T23.672A

    Corrosion of second degree of left wrist, initial encounter

  • T23.672D

    Corrosion of second degree of left wrist, subsequent encounter

  • T23.672S

    Corrosion of second degree of left wrist, sequela

  • T23.679

    Corrosion of second degree of unspecified wrist

  • T23.679A

    Corrosion of second degree of unspecified wrist, initial encounter

  • T23.679D

    Corrosion of second degree of unspecified wrist, subsequent encounter

  • T23.679S

    Corrosion of second degree of unspecified wrist, sequela

  • T23.69

    Corrosion of second degree of multiple sites of wrist and hand

  • T23.691

    Corrosion of second degree of multiple sites of right wrist and hand

  • T23.691A

    Corrosion of second degree of multiple sites of right wrist and hand, initial encounter

  • T23.691D

    Corrosion of second degree of multiple sites of right wrist and hand, subsequent encounter

  • T23.691S

    Corrosion of second degree of multiple sites of right wrist and hand, sequela

  • T23.692

    Corrosion of second degree of multiple sites of left wrist and hand

  • T23.692A

    Corrosion of second degree of multiple sites of left wrist and hand, initial encounter

  • T23.692D

    Corrosion of second degree of multiple sites of left wrist and hand, subsequent encounter

  • T23.692S

    Corrosion of second degree of multiple sites of left wrist and hand, sequela

  • T23.699

    Corrosion of second degree of multiple sites of unspecified wrist and hand

  • T23.699A

    Corrosion of second degree of multiple sites of unspecified wrist and hand, initial encounter

  • T23.699D

    Corrosion of second degree of multiple sites of unspecified wrist and hand, subsequent encounter

  • T23.699S

    Corrosion of second degree of multiple sites of unspecified wrist and hand, sequela

  • T23.7

    Corrosion of third degree of wrist and hand

  • T23.70

    Corrosion of third degree of hand, unspecified site

  • T23.701

    Corrosion of third degree of right hand, unspecified site

  • T23.701A

    Corrosion of third degree of right hand, unspecified site, initial encounter

  • T23.701D

    Corrosion of third degree of right hand, unspecified site, subsequent encounter

  • T23.701S

    Corrosion of third degree of right hand, unspecified site, sequela

  • T23.702

    Corrosion of third degree of left hand, unspecified site

  • T23.702A

    Corrosion of third degree of left hand, unspecified site, initial encounter

  • T23.702D

    Corrosion of third degree of left hand, unspecified site, subsequent encounter

  • T23.702S

    Corrosion of third degree of left hand, unspecified site, sequela

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