S90.841 External constriction, right footNon-billable ICD-10-CM code.
S80 Superficial injury of knee and lower leg ("superficial injury of ankle and foot (S90.-)")S90.829 Blister (nonthermal), unspecified footS90.829A 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 foot (this code)S90.841A External constriction, right foot, initial encounterS90.841D External constriction, right foot, subsequent encounterS90.841S External constriction, right foot, sequelaS90.842 External constriction, left footS90.842A External constriction, left foot, initial encounter