All ICD10 Codes
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.-)
All CodesBillable Only
Internal Codes
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  • S20.149S—

    External constriction of part of breast, unspecified breast, sequela

  • S20.151—

    Superficial foreign body of breast, right breast

  • S20.151A—

    Superficial foreign body of breast, right breast, initial encounter

  • S20.151D—

    Superficial foreign body of breast, right breast, subsequent encounter

  • S20.151S—

    Superficial foreign body of breast, right breast, sequela

  • S20.152—

    Superficial foreign body of breast, left breast

  • S20.152A—

    Superficial foreign body of breast, left breast, initial encounter

  • S20.152D—

    Superficial foreign body of breast, left breast, subsequent encounter

  • S20.152S—

    Superficial foreign body of breast, left breast, sequela

  • S20.159—

    Superficial foreign body of breast, unspecified breast

  • S20.159A—

    Superficial foreign body of breast, unspecified breast, initial encounter

  • S20.159D—

    Superficial foreign body of breast, unspecified breast, subsequent encounter

  • S20.159S—

    Superficial foreign body of breast, unspecified breast, sequela

  • S20.161—

    Insect bite (nonvenomous) of breast, right breast

  • S20.161A—

    Insect bite (nonvenomous) of breast, right breast, initial encounter

  • S20.161D—

    Insect bite (nonvenomous) of breast, right breast, subsequent encounter

  • S20.161S—

    Insect bite (nonvenomous) of breast, right breast, sequela

  • S20.162—

    Insect bite (nonvenomous) of breast, left breast

  • S20.162A—

    Insect bite (nonvenomous) of breast, left breast, initial encounter

  • S20.162D—

    Insect bite (nonvenomous) of breast, left breast, subsequent encounter

  • S20.162S—

    Insect bite (nonvenomous) of breast, left breast, sequela

  • S20.169—

    Insect bite (nonvenomous) of breast, unspecified breast

  • S20.169A—

    Insect bite (nonvenomous) of breast, unspecified breast, initial encounter

  • S20.169D—

    Insect bite (nonvenomous) of breast, unspecified breast, subsequent encounter

  • S20.169S—

    Insect bite (nonvenomous) of breast, unspecified breast, sequela

  • S20.171—

    Other superficial bite of breast, right breast

  • S20.171A—

    Other superficial bite of breast, right breast, initial encounter

  • S20.171D—

    Other superficial bite of breast, right breast, subsequent encounter

  • S20.171S—

    Other superficial bite of breast, right breast, sequela

  • S20.172—

    Other superficial bite of breast, left breast

  • S20.172A—

    Other superficial bite of breast, left breast, initial encounter

  • S20.172D—

    Other superficial bite of breast, left breast, subsequent encounter

  • S20.172S—

    Other superficial bite of breast, left breast, sequela

  • S20.179—

    Other superficial bite of breast, unspecified breast

  • S20.179A—

    Other superficial bite of breast, unspecified breast, initial encounter

  • S20.179D—

    Other superficial bite of breast, unspecified breast, subsequent encounter

  • S20.179S—

    Other superficial bite of breast, unspecified breast, sequela

  • S20.20—

    Contusion of thorax, unspecified

  • S20.20XA—

    Contusion of thorax, unspecified, initial encounter

  • S20.20XD—

    Contusion of thorax, unspecified, subsequent encounter

  • S20.20XS—

    Contusion of thorax, unspecified, sequela

  • S20.211—

    Contusion of right front wall of thorax

  • S20.211A—

    Contusion of right front wall of thorax, initial encounter

  • S20.211D—

    Contusion of right front wall of thorax, subsequent encounter

  • S20.211S—

    Contusion of right front wall of thorax, sequela

  • S20.212—

    Contusion of left front wall of thorax

  • S20.212A—

    Contusion of left front wall of thorax, initial encounter

  • S20.212D—

    Contusion of left front wall of thorax, subsequent encounter

  • S20.212S—

    Contusion of left front wall of thorax, sequela

  • S20.213—

    Contusion of bilateral front wall of thorax

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