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
  • S90.551A

    Superficial foreign body, right ankle, initial encounter

  • S90.551D

    Superficial foreign body, right ankle, subsequent encounter

  • S90.551S

    Superficial foreign body, right ankle, sequela

  • S90.552

    Superficial foreign body, left ankle

  • S90.552A

    Superficial foreign body, left ankle, initial encounter

  • S90.552D

    Superficial foreign body, left ankle, subsequent encounter

  • S90.552S

    Superficial foreign body, left ankle, sequela

  • S90.559

    Superficial foreign body, unspecified ankle

  • S90.559A

    Superficial foreign body, unspecified ankle, initial encounter

  • S90.559D

    Superficial foreign body, unspecified ankle, subsequent encounter

  • S90.559S

    Superficial foreign body, unspecified ankle, sequela

  • S90.56

    Insect bite (nonvenomous) of ankle

  • S90.561

    Insect bite (nonvenomous), right ankle

  • S90.561A

    Insect bite (nonvenomous), right ankle, initial encounter

  • S90.561D

    Insect bite (nonvenomous), right ankle, subsequent encounter

  • S90.561S

    Insect bite (nonvenomous), right ankle, sequela

  • S90.562

    Insect bite (nonvenomous), left ankle

  • S90.562A

    Insect bite (nonvenomous), left ankle, initial encounter

  • S90.562D

    Insect bite (nonvenomous), left ankle, subsequent encounter

  • S90.562S

    Insect bite (nonvenomous), left ankle, sequela

  • S90.569

    Insect bite (nonvenomous), unspecified ankle

  • S90.569A

    Insect bite (nonvenomous), unspecified ankle, initial encounter

  • S90.569D

    Insect bite (nonvenomous), unspecified ankle, subsequent encounter

  • S90.569S

    Insect bite (nonvenomous), unspecified ankle, sequela

  • S90.57

    Other superficial bite of ankle

  • S90.571

    Other superficial bite of ankle, right ankle

  • S90.571A

    Other superficial bite of ankle, right ankle, initial encounter

  • S90.571D

    Other superficial bite of ankle, right ankle, subsequent encounter

  • S90.571S

    Other superficial bite of ankle, right ankle, sequela

  • S90.572

    Other superficial bite of ankle, left ankle

  • S90.572A

    Other superficial bite of ankle, left ankle, initial encounter

  • S90.572D

    Other superficial bite of ankle, left ankle, subsequent encounter

  • S90.572S

    Other superficial bite of ankle, left ankle, sequela

  • S90.579

    Other superficial bite of ankle, unspecified ankle

  • S90.579A

    Other superficial bite of ankle, unspecified ankle, initial encounter

  • S90.579D

    Other superficial bite of ankle, unspecified ankle, subsequent encounter

  • S90.579S

    Other superficial bite of ankle, unspecified ankle, sequela

  • S90.8

    Other superficial injuries of foot

  • S90.81

    Abrasion of foot

  • S90.811

    Abrasion, right foot

  • S90.811A

    Abrasion, right foot, initial encounter

  • S90.811D

    Abrasion, right foot, subsequent encounter

  • S90.811S

    Abrasion, right foot, sequela

  • S90.812

    Abrasion, left foot

  • S90.812A

    Abrasion, left foot, initial encounter

  • S90.812D

    Abrasion, left foot, subsequent encounter

  • S90.812S

    Abrasion, left foot, sequela

  • S90.819

    Abrasion, unspecified foot

  • S90.819A

    Abrasion, unspecified foot, initial encounter

  • S90.819D

    Abrasion, unspecified foot, subsequent encounter

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