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S80 Superficial injury of knee and lower leg

ICD-10-CM category S80 sits in Chapter 20 (External causes of morbidity, V00-Y99). It contains 144 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.

Subcategories

S80.0 Contusion of kneeS80.00 Contusion of unspecified kneeS80.01 Contusion of right kneeS80.02 Contusion of left kneeS80.1 Contusion of lower legS80.10 Contusion of unspecified lower legS80.11 Contusion of right lower legS80.12 Contusion of left lower legS80.2 Other superficial injuries of kneeS80.21 Abrasion of kneeS80.211 Abrasion, right kneeS80.212 Abrasion, left kneeS80.219 Abrasion, unspecified kneeS80.22 Blister (nonthermal) of kneeS80.221 Blister (nonthermal), right kneeS80.222 Blister (nonthermal), left kneeS80.229 Blister (nonthermal), unspecified kneeS80.24 External constriction of kneeS80.241 External constriction, right kneeS80.242 External constriction, left kneeS80.249 External constriction, unspecified kneeS80.25 Superficial foreign body of kneeS80.251 Superficial foreign body, right kneeS80.252 Superficial foreign body, left kneeS80.259 Superficial foreign body, unspecified kneeS80.26 Insect bite (nonvenomous) of kneeS80.261 Insect bite (nonvenomous), right kneeS80.262 Insect bite (nonvenomous), left kneeS80.269 Insect bite (nonvenomous), unspecified kneeS80.27 Other superficial bite of kneeS80.271 Other superficial bite of right kneeS80.272 Other superficial bite of left kneeS80.279 Other superficial bite of unspecified kneeS80.8 Other superficial injuries of lower legS80.81 Abrasion of lower legS80.811 Abrasion, right lower legS80.812 Abrasion, left lower legS80.819 Abrasion, unspecified lower legS80.82 Blister (nonthermal) of lower legS80.821 Blister (nonthermal), right lower leg

Billable codes in S80

CodeDescription
S80.00XAContusion of unspecified knee, initial encounter
S80.00XDContusion of unspecified knee, subsequent encounter
S80.00XSContusion of unspecified knee, sequela
S80.01XAContusion of right knee, initial encounter
S80.01XDContusion of right knee, subsequent encounter
S80.01XSContusion of right knee, sequela
S80.02XAContusion of left knee, initial encounter
S80.02XDContusion of left knee, subsequent encounter
S80.02XSContusion of left knee, sequela
S80.10XAContusion of unspecified lower leg, initial encounter
S80.10XDContusion of unspecified lower leg, subsequent encounter
S80.10XSContusion of unspecified lower leg, sequela
S80.11XAContusion of right lower leg, initial encounter
S80.11XDContusion of right lower leg, subsequent encounter
S80.11XSContusion of right lower leg, sequela
S80.12XAContusion of left lower leg, initial encounter
S80.12XDContusion of left lower leg, subsequent encounter
S80.12XSContusion of left lower leg, sequela
S80.211AAbrasion, right knee, initial encounter
S80.211DAbrasion, right knee, subsequent encounter
S80.211SAbrasion, right knee, sequela
S80.212AAbrasion, left knee, initial encounter
S80.212DAbrasion, left knee, subsequent encounter
S80.212SAbrasion, left knee, sequela
S80.219AAbrasion, unspecified knee, initial encounter
S80.219DAbrasion, unspecified knee, subsequent encounter
S80.219SAbrasion, unspecified knee, sequela
S80.221ABlister (nonthermal), right knee, initial encounter
S80.221DBlister (nonthermal), right knee, subsequent encounter
S80.221SBlister (nonthermal), right knee, sequela
S80.222ABlister (nonthermal), left knee, initial encounter
S80.222DBlister (nonthermal), left knee, subsequent encounter
S80.222SBlister (nonthermal), left knee, sequela
S80.229ABlister (nonthermal), unspecified knee, initial encounter
S80.229DBlister (nonthermal), unspecified knee, subsequent encounter
S80.229SBlister (nonthermal), unspecified knee, sequela
S80.241AExternal constriction, right knee, initial encounter
S80.241DExternal constriction, right knee, subsequent encounter
S80.241SExternal constriction, right knee, sequela
S80.242AExternal constriction, left knee, initial encounter
S80.242DExternal constriction, left knee, subsequent encounter
S80.242SExternal constriction, left knee, sequela
S80.249AExternal constriction, unspecified knee, initial encounter
S80.249DExternal constriction, unspecified knee, subsequent encounter
S80.249SExternal constriction, unspecified knee, sequela
S80.251ASuperficial foreign body, right knee, initial encounter
S80.251DSuperficial foreign body, right knee, subsequent encounter
S80.251SSuperficial foreign body, right knee, sequela
S80.252ASuperficial foreign body, left knee, initial encounter
S80.252DSuperficial foreign body, left knee, subsequent encounter
S80.252SSuperficial foreign body, left knee, sequela
S80.259ASuperficial foreign body, unspecified knee, initial encounter
S80.259DSuperficial foreign body, unspecified knee, subsequent encounter
S80.259SSuperficial foreign body, unspecified knee, sequela
S80.261AInsect bite (nonvenomous), right knee, initial encounter
S80.261DInsect bite (nonvenomous), right knee, subsequent encounter
S80.261SInsect bite (nonvenomous), right knee, sequela
S80.262AInsect bite (nonvenomous), left knee, initial encounter
S80.262DInsect bite (nonvenomous), left knee, subsequent encounter
S80.262SInsect bite (nonvenomous), left knee, sequela
S80.269AInsect bite (nonvenomous), unspecified knee, initial encounter
S80.269DInsect bite (nonvenomous), unspecified knee, subsequent encounter
S80.269SInsect bite (nonvenomous), unspecified knee, sequela
S80.271AOther superficial bite of right knee, initial encounter
S80.271DOther superficial bite of right knee, subsequent encounter
S80.271SOther superficial bite of right knee, sequela
S80.272AOther superficial bite of left knee, initial encounter
S80.272DOther superficial bite of left knee, subsequent encounter
S80.272SOther superficial bite of left knee, sequela
S80.279AOther superficial bite of unspecified knee, initial encounter
S80.279DOther superficial bite of unspecified knee, subsequent encounter
S80.279SOther superficial bite of unspecified knee, sequela
S80.811AAbrasion, right lower leg, initial encounter
S80.811DAbrasion, right lower leg, subsequent encounter
S80.811SAbrasion, right lower leg, sequela
S80.812AAbrasion, left lower leg, initial encounter
S80.812DAbrasion, left lower leg, subsequent encounter
S80.812SAbrasion, left lower leg, sequela
S80.819AAbrasion, unspecified lower leg, initial encounter
S80.819DAbrasion, unspecified lower leg, subsequent encounter
S80.819SAbrasion, unspecified lower leg, sequela
S80.821ABlister (nonthermal), right lower leg, initial encounter
S80.821DBlister (nonthermal), right lower leg, subsequent encounter
S80.821SBlister (nonthermal), right lower leg, sequela
S80.822ABlister (nonthermal), left lower leg, initial encounter
S80.822DBlister (nonthermal), left lower leg, subsequent encounter
S80.822SBlister (nonthermal), left lower leg, sequela
S80.829ABlister (nonthermal), unspecified lower leg, initial encounter
S80.829DBlister (nonthermal), unspecified lower leg, subsequent encounter
S80.829SBlister (nonthermal), unspecified lower leg, sequela
S80.841AExternal constriction, right lower leg, initial encounter
S80.841DExternal constriction, right lower leg, subsequent encounter
S80.841SExternal constriction, right lower leg, sequela
S80.842AExternal constriction, left lower leg, initial encounter
S80.842DExternal constriction, left lower leg, subsequent encounter
S80.842SExternal constriction, left lower leg, sequela
S80.849AExternal constriction, unspecified lower leg, initial encounter
S80.849DExternal constriction, unspecified lower leg, subsequent encounter
S80.849SExternal constriction, unspecified lower leg, sequela
S80.851ASuperficial foreign body, right lower leg, initial encounter
S80.851DSuperficial foreign body, right lower leg, subsequent encounter
S80.851SSuperficial foreign body, right lower leg, sequela
S80.852ASuperficial foreign body, left lower leg, initial encounter
S80.852DSuperficial foreign body, left lower leg, subsequent encounter
S80.852SSuperficial foreign body, left lower leg, sequela
S80.859ASuperficial foreign body, unspecified lower leg, initial encounter
S80.859DSuperficial foreign body, unspecified lower leg, subsequent encounter
S80.859SSuperficial foreign body, unspecified lower leg, sequela
S80.861AInsect bite (nonvenomous), right lower leg, initial encounter
S80.861DInsect bite (nonvenomous), right lower leg, subsequent encounter
S80.861SInsect bite (nonvenomous), right lower leg, sequela
S80.862AInsect bite (nonvenomous), left lower leg, initial encounter
S80.862DInsect bite (nonvenomous), left lower leg, subsequent encounter
S80.862SInsect bite (nonvenomous), left lower leg, sequela
S80.869AInsect bite (nonvenomous), unspecified lower leg, initial encounter
S80.869DInsect bite (nonvenomous), unspecified lower leg, subsequent encounter
S80.869SInsect bite (nonvenomous), unspecified lower leg, sequela
S80.871AOther superficial bite, right lower leg, initial encounter
S80.871DOther superficial bite, right lower leg, subsequent encounter
S80.871SOther superficial bite, right lower leg, sequela
S80.872AOther superficial bite, left lower leg, initial encounter
S80.872DOther superficial bite, left lower leg, subsequent encounter
S80.872SOther superficial bite, left lower leg, sequela
S80.879AOther superficial bite, unspecified lower leg, initial encounter
S80.879DOther superficial bite, unspecified lower leg, subsequent encounter
S80.879SOther superficial bite, unspecified lower leg, sequela
S80.911AUnspecified superficial injury of right knee, initial encounter
S80.911DUnspecified superficial injury of right knee, subsequent encounter
S80.911SUnspecified superficial injury of right knee, sequela
S80.912AUnspecified superficial injury of left knee, initial encounter
S80.912DUnspecified superficial injury of left knee, subsequent encounter
S80.912SUnspecified superficial injury of left knee, sequela
S80.919AUnspecified superficial injury of unspecified knee, initial encounter
S80.919DUnspecified superficial injury of unspecified knee, subsequent encounter
S80.919SUnspecified superficial injury of unspecified knee, sequela
S80.921AUnspecified superficial injury of right lower leg, initial encounter
S80.921DUnspecified superficial injury of right lower leg, subsequent encounter
S80.921SUnspecified superficial injury of right lower leg, sequela
S80.922AUnspecified superficial injury of left lower leg, initial encounter
S80.922DUnspecified superficial injury of left lower leg, subsequent encounter
S80.922SUnspecified superficial injury of left lower leg, sequela
S80.929AUnspecified superficial injury of unspecified lower leg, initial encounter
S80.929DUnspecified superficial injury of unspecified lower leg, subsequent encounter
S80.929SUnspecified superficial injury of unspecified lower leg, sequela

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