S80.241D External constriction, right knee, subsequent encounterBillable ICD-10-CM code, FY2026.
Built from S80.241 with 7th character D (subsequent encounter).
M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S80.229D Blister (nonthermal), unspecified knee, subsequent encounterS80.229S Blister (nonthermal), unspecified knee, sequelaS80.24 External constriction of kneeS80.241 External constriction, right kneeS80.241A External constriction, right knee, initial encounterS80.241D External constriction, right knee, subsequent encounter (this code)S80.241S External constriction, right knee, sequelaS80.242 External constriction, left kneeS80.242A External constriction, left knee, initial encounterS80.242D External constriction, left knee, subsequent encounterS80.242S External constriction, left knee, sequela