S80.841A External constriction, right lower leg, initial encounterBillable ICD-10-CM code, FY2026.
Built from S80.841 with 7th character A (initial encounter).
M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S80.829A Blister (nonthermal), unspecified lower leg, initial encounterS80.829D Blister (nonthermal), unspecified lower leg, subsequent encounterS80.829S Blister (nonthermal), unspecified lower leg, sequelaS80.84 External constriction of lower legS80.841 External constriction, right lower legS80.841A External constriction, right lower leg, initial encounter (this code)S80.841D External constriction, right lower leg, subsequent encounterS80.841S External constriction, right lower leg, sequelaS80.842 External constriction, left lower legS80.842A External constriction, left lower leg, initial encounterS80.842D External constriction, left lower leg, subsequent encounter