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