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
  • S80.86

    Insect bite (nonvenomous) of lower leg

  • S80.861

    Insect bite (nonvenomous), right lower leg

  • S80.861A

    Insect bite (nonvenomous), right lower leg, initial encounter

  • S80.861D

    Insect bite (nonvenomous), right lower leg, subsequent encounter

  • S80.861S

    Insect bite (nonvenomous), right lower leg, sequela

  • S80.862

    Insect bite (nonvenomous), left lower leg

  • S80.862A

    Insect bite (nonvenomous), left lower leg, initial encounter

  • S80.862D

    Insect bite (nonvenomous), left lower leg, subsequent encounter

  • S80.862S

    Insect bite (nonvenomous), left lower leg, sequela

  • S80.869

    Insect bite (nonvenomous), unspecified lower leg

  • S80.869A

    Insect bite (nonvenomous), unspecified lower leg, initial encounter

  • S80.869D

    Insect bite (nonvenomous), unspecified lower leg, subsequent encounter

  • S80.869S

    Insect bite (nonvenomous), unspecified lower leg, sequela

  • S80.87

    Other superficial bite of lower leg

  • S80.871

    Other superficial bite, right lower leg

  • S80.871A

    Other superficial bite, right lower leg, initial encounter

  • S80.871D

    Other superficial bite, right lower leg, subsequent encounter

  • S80.871S

    Other superficial bite, right lower leg, sequela

  • S80.872

    Other superficial bite, left lower leg

  • S80.872A

    Other superficial bite, left lower leg, initial encounter

  • S80.872D

    Other superficial bite, left lower leg, subsequent encounter

  • S80.872S

    Other superficial bite, left lower leg, sequela

  • S80.879

    Other superficial bite, unspecified lower leg

  • S80.879A

    Other superficial bite, unspecified lower leg, initial encounter

  • S80.879D

    Other superficial bite, unspecified lower leg, subsequent encounter

  • S80.879S

    Other superficial bite, unspecified lower leg, sequela

  • S80.9

    Unspecified superficial injury of knee and lower leg

  • S80.91

    Unspecified superficial injury of knee

  • S80.911

    Unspecified superficial injury of right knee

  • S80.911A

    Unspecified superficial injury of right knee, initial encounter

  • S80.911D

    Unspecified superficial injury of right knee, subsequent encounter

  • S80.911S

    Unspecified superficial injury of right knee, sequela

  • S80.912

    Unspecified superficial injury of left knee

  • S80.912A

    Unspecified superficial injury of left knee, initial encounter

  • S80.912D

    Unspecified superficial injury of left knee, subsequent encounter

  • S80.912S

    Unspecified superficial injury of left knee, sequela

  • S80.919

    Unspecified superficial injury of unspecified knee

  • S80.919A

    Unspecified superficial injury of unspecified knee, initial encounter

  • S80.919D

    Unspecified superficial injury of unspecified knee, subsequent encounter

  • S80.919S

    Unspecified superficial injury of unspecified knee, sequela

  • S80.92

    Unspecified superficial injury of lower leg

  • S80.921

    Unspecified superficial injury of right lower leg

  • S80.921A

    Unspecified superficial injury of right lower leg, initial encounter

  • S80.921D

    Unspecified superficial injury of right lower leg, subsequent encounter

  • S80.921S

    Unspecified superficial injury of right lower leg, sequela

  • S80.922

    Unspecified superficial injury of left lower leg

  • S80.922A

    Unspecified superficial injury of left lower leg, initial encounter

  • S80.922D

    Unspecified superficial injury of left lower leg, subsequent encounter

  • S80.922S

    Unspecified superficial injury of left lower leg, sequela

  • S80.929

    Unspecified superficial injury of unspecified lower leg

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