S90.821D Blister (nonthermal), right foot, subsequent encounterBillable ICD-10-CM code, FY2026.
Built from S90.821 with 7th character D (subsequent encounter).
S80 Superficial injury of knee and lower leg ("superficial injury of ankle and foot (S90.-)")S90.819D Abrasion, unspecified foot, subsequent encounterS90.819S Abrasion, unspecified foot, sequelaS90.82 Blister (nonthermal) of footS90.821 Blister (nonthermal), right footS90.821A Blister (nonthermal), right foot, initial encounterS90.821D Blister (nonthermal), right foot, subsequent encounter (this code)S90.821S Blister (nonthermal), right foot, sequelaS90.822 Blister (nonthermal), left footS90.822A Blister (nonthermal), left foot, initial encounterS90.822D Blister (nonthermal), left foot, subsequent encounterS90.822S Blister (nonthermal), left foot, sequela