S80 - Superficial injury of knee and lower leg
S80.2 - Other superficial injuries of knee
S80.21 - Abrasion of knee
S80.211 - Abrasion, right knee
S80.212 - Abrasion, left knee
S80.219 - Abrasion, unspecified knee
S80.22 - Blister (nonthermal) of knee
S80.221 - Blister (nonthermal), right knee
S80.222 - Blister (nonthermal), left knee
S80.229 - Blister (nonthermal), unspecified knee
S80.24 - External constriction of knee
S80.241 - External constriction, right knee
S80.242 - External constriction, left knee
S80.249 - External constriction, unspecified knee
S80.25 - Superficial foreign body of knee
S80.251 - Superficial foreign body, right knee
S80.252 - Superficial foreign body, left knee
S80.259 - Superficial foreign body, unspecified knee
S80.26 - Insect bite (nonvenomous) of knee
S80.261 - Insect bite (nonvenomous), right knee
S80.262 - Insect bite (nonvenomous), left knee
S80.269 - Insect bite (nonvenomous), unspecified knee
S80.27 - Other superficial bite of knee
S80.271 - Other superficial bite of right knee
S80.272 - Other superficial bite of left knee
S80.279 - Other superficial bite of unspecified knee