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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  • S20.309S—

    Unspecified superficial injuries of unspecified front wall of thorax, sequela

  • S20.311—

    Abrasion of right front wall of thorax

  • S20.311A—

    Abrasion of right front wall of thorax, initial encounter

  • S20.311D—

    Abrasion of right front wall of thorax, subsequent encounter

  • S20.311S—

    Abrasion of right front wall of thorax, sequela

  • S20.312—

    Abrasion of left front wall of thorax

  • S20.312A—

    Abrasion of left front wall of thorax, initial encounter

  • S20.312D—

    Abrasion of left front wall of thorax, subsequent encounter

  • S20.312S—

    Abrasion of left front wall of thorax, sequela

  • S20.313—

    Abrasion of bilateral front wall of thorax

  • S20.313A—

    Abrasion of bilateral front wall of thorax, initial encounter

  • S20.313D—

    Abrasion of bilateral front wall of thorax, subsequent encounter

  • S20.313S—

    Abrasion of bilateral front wall of thorax, sequela

  • S20.314—

    Abrasion of middle front wall of thorax

  • S20.314A—

    Abrasion of middle front wall of thorax, initial encounter

  • S20.314D—

    Abrasion of middle front wall of thorax, subsequent encounter

  • S20.314S—

    Abrasion of middle front wall of thorax, sequela

  • S20.319—

    Abrasion of unspecified front wall of thorax

  • S20.319A—

    Abrasion of unspecified front wall of thorax, initial encounter

  • S20.319D—

    Abrasion of unspecified front wall of thorax, subsequent encounter

  • S20.319S—

    Abrasion of unspecified front wall of thorax, sequela

  • S20.321—

    Blister (nonthermal) of right front wall of thorax

  • S20.321A—

    Blister (nonthermal) of right front wall of thorax, initial encounter

  • S20.321D—

    Blister (nonthermal) of right front wall of thorax, subsequent encounter

  • S20.321S—

    Blister (nonthermal) of right front wall of thorax, sequela

  • S20.322—

    Blister (nonthermal) of left front wall of thorax

  • S20.322A—

    Blister (nonthermal) of left front wall of thorax, initial encounter

  • S20.322D—

    Blister (nonthermal) of left front wall of thorax, subsequent encounter

  • S20.322S—

    Blister (nonthermal) of left front wall of thorax, sequela

  • S20.323—

    Blister (nonthermal) of bilateral front wall of thorax

  • S20.323A—

    Blister (nonthermal) of bilateral front wall of thorax, initial encounter

  • S20.323D—

    Blister (nonthermal) of bilateral front wall of thorax, subsequent encounter

  • S20.323S—

    Blister (nonthermal) of bilateral front wall of thorax, sequela

  • S20.324—

    Blister (nonthermal) of middle front wall of thorax

  • S20.324A—

    Blister (nonthermal) of middle front wall of thorax, initial encounter

  • S20.324D—

    Blister (nonthermal) of middle front wall of thorax, subsequent encounter

  • S20.324S—

    Blister (nonthermal) of middle front wall of thorax, sequela

  • S20.329—

    Blister (nonthermal) of unspecified front wall of thorax

  • S20.329A—

    Blister (nonthermal) of unspecified front wall of thorax, initial encounter

  • S20.329D—

    Blister (nonthermal) of unspecified front wall of thorax, subsequent encounter

  • S20.329S—

    Blister (nonthermal) of unspecified front wall of thorax, sequela

  • S20.341—

    External constriction of right front wall of thorax

  • S20.341A—

    External constriction of right front wall of thorax, initial encounter

  • S20.341D—

    External constriction of right front wall of thorax, subsequent encounter

  • S20.341S—

    External constriction of right front wall of thorax, sequela

  • S20.342—

    External constriction of left front wall of thorax

  • S20.342A—

    External constriction of left front wall of thorax, initial encounter

  • S20.342D—

    External constriction of left front wall of thorax, subsequent encounter

  • S20.342S—

    External constriction of left front wall of thorax, sequela

  • S20.343—

    External constriction of bilateral front wall of thorax

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