S90.841A External constriction, right foot, initial encounterBillable ICD-10-CM code, FY2026.
Built from S90.841 with 7th character A (initial encounter).
S80 Superficial injury of knee and lower leg ("superficial injury of ankle and foot (S90.-)")S90.829A Blister (nonthermal), unspecified foot, initial encounterS90.829D Blister (nonthermal), unspecified foot, subsequent encounterS90.829S Blister (nonthermal), unspecified foot, sequelaS90.84 External constriction of footS90.841 External constriction, right footS90.841A External constriction, right foot, initial encounter (this code)S90.841D External constriction, right foot, subsequent encounterS90.841S External constriction, right foot, sequelaS90.842 External constriction, left footS90.842A External constriction, left foot, initial encounterS90.842D External constriction, left foot, subsequent encounter