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
  • S81.032A

    Puncture wound without foreign body, left knee, initial encounter

  • S81.032D

    Puncture wound without foreign body, left knee, subsequent encounter

  • S81.032S

    Puncture wound without foreign body, left knee, sequela

  • S81.039

    Puncture wound without foreign body, unspecified knee

  • S81.039A

    Puncture wound without foreign body, unspecified knee, initial encounter

  • S81.039D

    Puncture wound without foreign body, unspecified knee, subsequent encounter

  • S81.039S

    Puncture wound without foreign body, unspecified knee, sequela

  • S81.04

    Puncture wound with foreign body of knee

  • S81.041

    Puncture wound with foreign body, right knee

  • S81.041A

    Puncture wound with foreign body, right knee, initial encounter

  • S81.041D

    Puncture wound with foreign body, right knee, subsequent encounter

  • S81.041S

    Puncture wound with foreign body, right knee, sequela

  • S81.042

    Puncture wound with foreign body, left knee

  • S81.042A

    Puncture wound with foreign body, left knee, initial encounter

  • S81.042D

    Puncture wound with foreign body, left knee, subsequent encounter

  • S81.042S

    Puncture wound with foreign body, left knee, sequela

  • S81.049

    Puncture wound with foreign body, unspecified knee

  • S81.049A

    Puncture wound with foreign body, unspecified knee, initial encounter

  • S81.049D

    Puncture wound with foreign body, unspecified knee, subsequent encounter

  • S81.049S

    Puncture wound with foreign body, unspecified knee, sequela

  • S81.05

    Open bite of knee

  • S81.051

    Open bite, right knee

  • S81.051A

    Open bite, right knee, initial encounter

  • S81.051D

    Open bite, right knee, subsequent encounter

  • S81.051S

    Open bite, right knee, sequela

  • S81.052

    Open bite, left knee

  • S81.052A

    Open bite, left knee, initial encounter

  • S81.052D

    Open bite, left knee, subsequent encounter

  • S81.052S

    Open bite, left knee, sequela

  • S81.059

    Open bite, unspecified knee

  • S81.059A

    Open bite, unspecified knee, initial encounter

  • S81.059D

    Open bite, unspecified knee, subsequent encounter

  • S81.059S

    Open bite, unspecified knee, sequela

  • S81.8

    Open wound of lower leg

  • S81.80

    Unspecified open wound of lower leg

  • S81.801

    Unspecified open wound, right lower leg

  • S81.801A

    Unspecified open wound, right lower leg, initial encounter

  • S81.801D

    Unspecified open wound, right lower leg, subsequent encounter

  • S81.801S

    Unspecified open wound, right lower leg, sequela

  • S81.802

    Unspecified open wound, left lower leg

  • S81.802A

    Unspecified open wound, left lower leg, initial encounter

  • S81.802D

    Unspecified open wound, left lower leg, subsequent encounter

  • S81.802S

    Unspecified open wound, left lower leg, sequela

  • S81.809

    Unspecified open wound, unspecified lower leg

  • S81.809A

    Unspecified open wound, unspecified lower leg, initial encounter

  • S81.809D

    Unspecified open wound, unspecified lower leg, subsequent encounter

  • S81.809S

    Unspecified open wound, unspecified lower leg, sequela

  • S81.81

    Laceration without foreign body of lower leg

  • S81.811

    Laceration without foreign body, right lower leg

  • S81.811A

    Laceration without foreign body, right lower leg, initial encounter

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