ICD-10-CM category
S20 Superficial injury of thorax
S20 is a category, not a billable code. Report one of the 294 complete codes below.
S20.0…
9 codes
- S20.00XAContusion of breast, unspecified breast, initial encounter
- S20.00XDContusion of breast, unspecified breast, subsequent encounter
- S20.00XSContusion of breast, unspecified breast, sequela
- S20.01XAContusion of right breast, initial encounter
- S20.01XDContusion of right breast, subsequent encounter
- S20.01XSContusion of right breast, sequela
- S20.02XAContusion of left breast, initial encounter
- S20.02XDContusion of left breast, subsequent encounter
- S20.02XSContusion of left breast, sequela
S20.1…
63 codes
- S20.101AUnspecified superficial injuries of breast, right breast, initial encounter
- S20.101DUnspecified superficial injuries of breast, right breast, subsequent encounter
- S20.101SUnspecified superficial injuries of breast, right breast, sequela
- S20.102AUnspecified superficial injuries of breast, left breast, initial encounter
- S20.102DUnspecified superficial injuries of breast, left breast, subsequent encounter
- S20.102SUnspecified superficial injuries of breast, left breast, sequela
- S20.109AUnspecified superficial injuries of breast, unspecified breast, initial encounter
- S20.109DUnspecified superficial injuries of breast, unspecified breast, subsequent encounter
- S20.109SUnspecified superficial injuries of breast, unspecified breast, sequela
- S20.111AAbrasion of breast, right breast, initial encounter
- S20.111DAbrasion of breast, right breast, subsequent encounter
- S20.111SAbrasion of breast, right breast, sequela
- S20.112AAbrasion of breast, left breast, initial encounter
- S20.112DAbrasion of breast, left breast, subsequent encounter
- S20.112SAbrasion of breast, left breast, sequela
- S20.119AAbrasion of breast, unspecified breast, initial encounter
- S20.119DAbrasion of breast, unspecified breast, subsequent encounter
- S20.119SAbrasion of breast, unspecified breast, sequela
- S20.121ABlister (nonthermal) of breast, right breast, initial encounter
- S20.121DBlister (nonthermal) of breast, right breast, subsequent encounter
- S20.121SBlister (nonthermal) of breast, right breast, sequela
- S20.122ABlister (nonthermal) of breast, left breast, initial encounter
- S20.122DBlister (nonthermal) of breast, left breast, subsequent encounter
- S20.122SBlister (nonthermal) of breast, left breast, sequela
- S20.129ABlister (nonthermal) of breast, unspecified breast, initial encounter
- S20.129DBlister (nonthermal) of breast, unspecified breast, subsequent encounter
- S20.129SBlister (nonthermal) of breast, unspecified breast, sequela
- S20.141AExternal constriction of part of breast, right breast, initial encounter
- S20.141DExternal constriction of part of breast, right breast, subsequent encounter
- S20.141SExternal constriction of part of breast, right breast, sequela
- S20.142AExternal constriction of part of breast, left breast, initial encounter
- S20.142DExternal constriction of part of breast, left breast, subsequent encounter
- S20.142SExternal constriction of part of breast, left breast, sequela
- S20.149AExternal constriction of part of breast, unspecified breast, initial encounter
- S20.149DExternal constriction of part of breast, unspecified breast, subsequent encounter
- S20.149SExternal constriction of part of breast, unspecified breast, sequela
- S20.151ASuperficial foreign body of breast, right breast, initial encounter
- S20.151DSuperficial foreign body of breast, right breast, subsequent encounter
- S20.151SSuperficial foreign body of breast, right breast, sequela
- S20.152ASuperficial foreign body of breast, left breast, initial encounter
- S20.152DSuperficial foreign body of breast, left breast, subsequent encounter
- S20.152SSuperficial foreign body of breast, left breast, sequela
- S20.159ASuperficial foreign body of breast, unspecified breast, initial encounter
- S20.159DSuperficial foreign body of breast, unspecified breast, subsequent encounter
- S20.159SSuperficial foreign body of breast, unspecified breast, sequela
- S20.161AInsect bite (nonvenomous) of breast, right breast, initial encounter
- S20.161DInsect bite (nonvenomous) of breast, right breast, subsequent encounter
- S20.161SInsect bite (nonvenomous) of breast, right breast, sequela
- S20.162AInsect bite (nonvenomous) of breast, left breast, initial encounter
- S20.162DInsect bite (nonvenomous) of breast, left breast, subsequent encounter
- S20.162SInsect bite (nonvenomous) of breast, left breast, sequela
- S20.169AInsect bite (nonvenomous) of breast, unspecified breast, initial encounter
- S20.169DInsect bite (nonvenomous) of breast, unspecified breast, subsequent encounter
- S20.169SInsect bite (nonvenomous) of breast, unspecified breast, sequela
- S20.171AOther superficial bite of breast, right breast, initial encounter
- S20.171DOther superficial bite of breast, right breast, subsequent encounter
- S20.171SOther superficial bite of breast, right breast, sequela
- S20.172AOther superficial bite of breast, left breast, initial encounter
- S20.172DOther superficial bite of breast, left breast, subsequent encounter
- S20.172SOther superficial bite of breast, left breast, sequela
- S20.179AOther superficial bite of breast, unspecified breast, initial encounter
- S20.179DOther superficial bite of breast, unspecified breast, subsequent encounter
- S20.179SOther superficial bite of breast, unspecified breast, sequela
S20.2…
33 codes
- S20.20XAContusion of thorax, unspecified, initial encounter
- S20.20XDContusion of thorax, unspecified, subsequent encounter
- S20.20XSContusion of thorax, unspecified, sequela
- S20.211AContusion of right front wall of thorax, initial encounter
- S20.211DContusion of right front wall of thorax, subsequent encounter
- S20.211SContusion of right front wall of thorax, sequela
- S20.212AContusion of left front wall of thorax, initial encounter
- S20.212DContusion of left front wall of thorax, subsequent encounter
- S20.212SContusion of left front wall of thorax, sequela
- S20.213AContusion of bilateral front wall of thorax, initial encounter
- S20.213DContusion of bilateral front wall of thorax, subsequent encounter
- S20.213SContusion of bilateral front wall of thorax, sequela
- S20.214AContusion of middle front wall of thorax, initial encounter
- S20.214DContusion of middle front wall of thorax, subsequent encounter
- S20.214SContusion of middle front wall of thorax, sequela
- S20.219AContusion of unspecified front wall of thorax, initial encounter
- S20.219DContusion of unspecified front wall of thorax, subsequent encounter
- S20.219SContusion of unspecified front wall of thorax, sequela
- S20.221AContusion of right back wall of thorax, initial encounter
- S20.221DContusion of right back wall of thorax, subsequent encounter
- S20.221SContusion of right back wall of thorax, sequela
- S20.222AContusion of left back wall of thorax, initial encounter
- S20.222DContusion of left back wall of thorax, subsequent encounter
- S20.222SContusion of left back wall of thorax, sequela
- S20.223AContusion of bilateral back wall of thorax, initial encounter
- S20.223DContusion of bilateral back wall of thorax, subsequent encounter
- S20.223SContusion of bilateral back wall of thorax, sequela
- S20.224AContusion of middle back wall of thorax, initial encounter
- S20.224DContusion of middle back wall of thorax, subsequent encounter
- S20.224SContusion of middle back wall of thorax, sequela
- S20.229AContusion of unspecified back wall of thorax, initial encounter
- S20.229DContusion of unspecified back wall of thorax, subsequent encounter
- S20.229SContusion of unspecified back wall of thorax, sequela
S20.3…
105 codes
- S20.301AUnspecified superficial injuries of right front wall of thorax, initial encounter
- S20.301DUnspecified superficial injuries of right front wall of thorax, subsequent encounter
- S20.301SUnspecified superficial injuries of right front wall of thorax, sequela
- S20.302AUnspecified superficial injuries of left front wall of thorax, initial encounter
- S20.302DUnspecified superficial injuries of left front wall of thorax, subsequent encounter
- S20.302SUnspecified superficial injuries of left front wall of thorax, sequela
- S20.303AUnspecified superficial injuries of bilateral front wall of thorax, initial encounter
- S20.303DUnspecified superficial injuries of bilateral front wall of thorax, subsequent encounter
- S20.303SUnspecified superficial injuries of bilateral front wall of thorax, sequela
- S20.304AUnspecified superficial injuries of middle front wall of thorax, initial encounter
- S20.304DUnspecified superficial injuries of middle front wall of thorax, subsequent encounter
- S20.304SUnspecified superficial injuries of middle front wall of thorax, sequela
- S20.309AUnspecified superficial injuries of unspecified front wall of thorax, initial encounter
- S20.309DUnspecified superficial injuries of unspecified front wall of thorax, subsequent encounter
- S20.309SUnspecified superficial injuries of unspecified front wall of thorax, sequela
- S20.311AAbrasion of right front wall of thorax, initial encounter
- S20.311DAbrasion of right front wall of thorax, subsequent encounter
- S20.311SAbrasion of right front wall of thorax, sequela
- S20.312AAbrasion of left front wall of thorax, initial encounter
- S20.312DAbrasion of left front wall of thorax, subsequent encounter
- S20.312SAbrasion of left front wall of thorax, sequela
- S20.313AAbrasion of bilateral front wall of thorax, initial encounter
- S20.313DAbrasion of bilateral front wall of thorax, subsequent encounter
- S20.313SAbrasion of bilateral front wall of thorax, sequela
- S20.314AAbrasion of middle front wall of thorax, initial encounter
- S20.314DAbrasion of middle front wall of thorax, subsequent encounter
- S20.314SAbrasion of middle front wall of thorax, sequela
- S20.319AAbrasion of unspecified front wall of thorax, initial encounter
- S20.319DAbrasion of unspecified front wall of thorax, subsequent encounter
- S20.319SAbrasion of unspecified front wall of thorax, sequela
- S20.321ABlister (nonthermal) of right front wall of thorax, initial encounter
- S20.321DBlister (nonthermal) of right front wall of thorax, subsequent encounter
- S20.321SBlister (nonthermal) of right front wall of thorax, sequela
- S20.322ABlister (nonthermal) of left front wall of thorax, initial encounter
- S20.322DBlister (nonthermal) of left front wall of thorax, subsequent encounter
- S20.322SBlister (nonthermal) of left front wall of thorax, sequela
- S20.323ABlister (nonthermal) of bilateral front wall of thorax, initial encounter
- S20.323DBlister (nonthermal) of bilateral front wall of thorax, subsequent encounter
- S20.323SBlister (nonthermal) of bilateral front wall of thorax, sequela
- S20.324ABlister (nonthermal) of middle front wall of thorax, initial encounter
- S20.324DBlister (nonthermal) of middle front wall of thorax, subsequent encounter
- S20.324SBlister (nonthermal) of middle front wall of thorax, sequela
- S20.329ABlister (nonthermal) of unspecified front wall of thorax, initial encounter
- S20.329DBlister (nonthermal) of unspecified front wall of thorax, subsequent encounter
- S20.329SBlister (nonthermal) of unspecified front wall of thorax, sequela
- S20.341AExternal constriction of right front wall of thorax, initial encounter
- S20.341DExternal constriction of right front wall of thorax, subsequent encounter
- S20.341SExternal constriction of right front wall of thorax, sequela
- S20.342AExternal constriction of left front wall of thorax, initial encounter
- S20.342DExternal constriction of left front wall of thorax, subsequent encounter
- S20.342SExternal constriction of left front wall of thorax, sequela
- S20.343AExternal constriction of bilateral front wall of thorax, initial encounter
- S20.343DExternal constriction of bilateral front wall of thorax, subsequent encounter
- S20.343SExternal constriction of bilateral front wall of thorax, sequela
- S20.344AExternal constriction of middle front wall of thorax, initial encounter
- S20.344DExternal constriction of middle front wall of thorax, subsequent encounter
- S20.344SExternal constriction of middle front wall of thorax, sequela
- S20.349AExternal constriction of unspecified front wall of thorax, initial encounter
- S20.349DExternal constriction of unspecified front wall of thorax, subsequent encounter
- S20.349SExternal constriction of unspecified front wall of thorax, sequela
- S20.351ASuperficial foreign body of right front wall of thorax, initial encounter
- S20.351DSuperficial foreign body of right front wall of thorax, subsequent encounter
- S20.351SSuperficial foreign body of right front wall of thorax, sequela
- S20.352ASuperficial foreign body of left front wall of thorax, initial encounter
- S20.352DSuperficial foreign body of left front wall of thorax, subsequent encounter
- S20.352SSuperficial foreign body of left front wall of thorax, sequela
- S20.353ASuperficial foreign body of bilateral front wall of thorax, initial encounter
- S20.353DSuperficial foreign body of bilateral front wall of thorax, subsequent encounter
- S20.353SSuperficial foreign body of bilateral front wall of thorax, sequela
- S20.354ASuperficial foreign body of middle front wall of thorax, initial encounter
- S20.354DSuperficial foreign body of middle front wall of thorax, subsequent encounter
- S20.354SSuperficial foreign body of middle front wall of thorax, sequela
- S20.359ASuperficial foreign body of unspecified front wall of thorax, initial encounter
- S20.359DSuperficial foreign body of unspecified front wall of thorax, subsequent encounter
- S20.359SSuperficial foreign body of unspecified front wall of thorax, sequela
- S20.361AInsect bite (nonvenomous) of right front wall of thorax, initial encounter
- S20.361DInsect bite (nonvenomous) of right front wall of thorax, subsequent encounter
- S20.361SInsect bite (nonvenomous) of right front wall of thorax, sequela
- S20.362AInsect bite (nonvenomous) of left front wall of thorax, initial encounter
- S20.362DInsect bite (nonvenomous) of left front wall of thorax, subsequent encounter
- S20.362SInsect bite (nonvenomous) of left front wall of thorax, sequela
- S20.363AInsect bite (nonvenomous) of bilateral front wall of thorax, initial encounter
- S20.363DInsect bite (nonvenomous) of bilateral front wall of thorax, subsequent encounter
- S20.363SInsect bite (nonvenomous) of bilateral front wall of thorax, sequela
- S20.364AInsect bite (nonvenomous) of middle front wall of thorax, initial encounter
- S20.364DInsect bite (nonvenomous) of middle front wall of thorax, subsequent encounter
- S20.364SInsect bite (nonvenomous) of middle front wall of thorax, sequela
- S20.369AInsect bite (nonvenomous) of unspecified front wall of thorax, initial encounter
- S20.369DInsect bite (nonvenomous) of unspecified front wall of thorax, subsequent encounter
- S20.369SInsect bite (nonvenomous) of unspecified front wall of thorax, sequela
- S20.371AOther superficial bite of right front wall of thorax, initial encounter
- S20.371DOther superficial bite of right front wall of thorax, subsequent encounter
- S20.371SOther superficial bite of right front wall of thorax, sequela
- S20.372AOther superficial bite of left front wall of thorax, initial encounter
- S20.372DOther superficial bite of left front wall of thorax, subsequent encounter
- S20.372SOther superficial bite of left front wall of thorax, sequela
- S20.373AOther superficial bite of bilateral front wall of thorax, initial encounter
- S20.373DOther superficial bite of bilateral front wall of thorax, subsequent encounter
- S20.373SOther superficial bite of bilateral front wall of thorax, sequela
- S20.374AOther superficial bite of middle front wall of thorax, initial encounter
- S20.374DOther superficial bite of middle front wall of thorax, subsequent encounter
- S20.374SOther superficial bite of middle front wall of thorax, sequela
- S20.379AOther superficial bite of unspecified front wall of thorax, initial encounter
- S20.379DOther superficial bite of unspecified front wall of thorax, subsequent encounter
- S20.379SOther superficial bite of unspecified front wall of thorax, sequela
S20.4…
63 codes
- S20.401AUnspecified superficial injuries of right back wall of thorax, initial encounter
- S20.401DUnspecified superficial injuries of right back wall of thorax, subsequent encounter
- S20.401SUnspecified superficial injuries of right back wall of thorax, sequela
- S20.402AUnspecified superficial injuries of left back wall of thorax, initial encounter
- S20.402DUnspecified superficial injuries of left back wall of thorax, subsequent encounter
- S20.402SUnspecified superficial injuries of left back wall of thorax, sequela
- S20.409AUnspecified superficial injuries of unspecified back wall of thorax, initial encounter
- S20.409DUnspecified superficial injuries of unspecified back wall of thorax, subsequent encounter
- S20.409SUnspecified superficial injuries of unspecified back wall of thorax, sequela
- S20.411AAbrasion of right back wall of thorax, initial encounter
- S20.411DAbrasion of right back wall of thorax, subsequent encounter
- S20.411SAbrasion of right back wall of thorax, sequela
- S20.412AAbrasion of left back wall of thorax, initial encounter
- S20.412DAbrasion of left back wall of thorax, subsequent encounter
- S20.412SAbrasion of left back wall of thorax, sequela
- S20.419AAbrasion of unspecified back wall of thorax, initial encounter
- S20.419DAbrasion of unspecified back wall of thorax, subsequent encounter
- S20.419SAbrasion of unspecified back wall of thorax, sequela
- S20.421ABlister (nonthermal) of right back wall of thorax, initial encounter
- S20.421DBlister (nonthermal) of right back wall of thorax, subsequent encounter
- S20.421SBlister (nonthermal) of right back wall of thorax, sequela
- S20.422ABlister (nonthermal) of left back wall of thorax, initial encounter
- S20.422DBlister (nonthermal) of left back wall of thorax, subsequent encounter
- S20.422SBlister (nonthermal) of left back wall of thorax, sequela
- S20.429ABlister (nonthermal) of unspecified back wall of thorax, initial encounter
- S20.429DBlister (nonthermal) of unspecified back wall of thorax, subsequent encounter
- S20.429SBlister (nonthermal) of unspecified back wall of thorax, sequela
- S20.441AExternal constriction of right back wall of thorax, initial encounter
- S20.441DExternal constriction of right back wall of thorax, subsequent encounter
- S20.441SExternal constriction of right back wall of thorax, sequela
- S20.442AExternal constriction of left back wall of thorax, initial encounter
- S20.442DExternal constriction of left back wall of thorax, subsequent encounter
- S20.442SExternal constriction of left back wall of thorax, sequela
- S20.449AExternal constriction of unspecified back wall of thorax, initial encounter
- S20.449DExternal constriction of unspecified back wall of thorax, subsequent encounter
- S20.449SExternal constriction of unspecified back wall of thorax, sequela
- S20.451ASuperficial foreign body of right back wall of thorax, initial encounter
- S20.451DSuperficial foreign body of right back wall of thorax, subsequent encounter
- S20.451SSuperficial foreign body of right back wall of thorax, sequela
- S20.452ASuperficial foreign body of left back wall of thorax, initial encounter
- S20.452DSuperficial foreign body of left back wall of thorax, subsequent encounter
- S20.452SSuperficial foreign body of left back wall of thorax, sequela
- S20.459ASuperficial foreign body of unspecified back wall of thorax, initial encounter
- S20.459DSuperficial foreign body of unspecified back wall of thorax, subsequent encounter
- S20.459SSuperficial foreign body of unspecified back wall of thorax, sequela
- S20.461AInsect bite (nonvenomous) of right back wall of thorax, initial encounter
- S20.461DInsect bite (nonvenomous) of right back wall of thorax, subsequent encounter
- S20.461SInsect bite (nonvenomous) of right back wall of thorax, sequela
- S20.462AInsect bite (nonvenomous) of left back wall of thorax, initial encounter
- S20.462DInsect bite (nonvenomous) of left back wall of thorax, subsequent encounter
- S20.462SInsect bite (nonvenomous) of left back wall of thorax, sequela
- S20.469AInsect bite (nonvenomous) of unspecified back wall of thorax, initial encounter
- S20.469DInsect bite (nonvenomous) of unspecified back wall of thorax, subsequent encounter
- S20.469SInsect bite (nonvenomous) of unspecified back wall of thorax, sequela
- S20.471AOther superficial bite of right back wall of thorax, initial encounter
- S20.471DOther superficial bite of right back wall of thorax, subsequent encounter
- S20.471SOther superficial bite of right back wall of thorax, sequela
- S20.472AOther superficial bite of left back wall of thorax, initial encounter
- S20.472DOther superficial bite of left back wall of thorax, subsequent encounter
- S20.472SOther superficial bite of left back wall of thorax, sequela
- S20.479AOther superficial bite of unspecified back wall of thorax, initial encounter
- S20.479DOther superficial bite of unspecified back wall of thorax, subsequent encounter
- S20.479SOther superficial bite of unspecified back wall of thorax, sequela
S20.9…
21 codes
- S20.90XAUnspecified superficial injury of unspecified parts of thorax, initial encounter
- S20.90XDUnspecified superficial injury of unspecified parts of thorax, subsequent encounter
- S20.90XSUnspecified superficial injury of unspecified parts of thorax, sequela
- S20.91XAAbrasion of unspecified parts of thorax, initial encounter
- S20.91XDAbrasion of unspecified parts of thorax, subsequent encounter
- S20.91XSAbrasion of unspecified parts of thorax, sequela
- S20.92XABlister (nonthermal) of unspecified parts of thorax, initial encounter
- S20.92XDBlister (nonthermal) of unspecified parts of thorax, subsequent encounter
- S20.92XSBlister (nonthermal) of unspecified parts of thorax, sequela
- S20.94XAExternal constriction of unspecified parts of thorax, initial encounter
- S20.94XDExternal constriction of unspecified parts of thorax, subsequent encounter
- S20.94XSExternal constriction of unspecified parts of thorax, sequela
- S20.95XASuperficial foreign body of unspecified parts of thorax, initial encounter
- S20.95XDSuperficial foreign body of unspecified parts of thorax, subsequent encounter
- S20.95XSSuperficial foreign body of unspecified parts of thorax, sequela
- S20.96XAInsect bite (nonvenomous) of unspecified parts of thorax, initial encounter
- S20.96XDInsect bite (nonvenomous) of unspecified parts of thorax, subsequent encounter
- S20.96XSInsect bite (nonvenomous) of unspecified parts of thorax, sequela
- S20.97XAOther superficial bite of unspecified parts of thorax, initial encounter
- S20.97XDOther superficial bite of unspecified parts of thorax, subsequent encounter
- S20.97XSOther superficial bite of unspecified parts of thorax, sequela
Outside the US? S20 in the international WHO ICD-10 lists its inclusion and exclusion notes.
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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