S80.221D Blister (nonthermal), right knee, subsequent encounterBillable ICD-10-CM code, FY2026.
Built from S80.221 with 7th character D (subsequent encounter).
M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S80.219D Abrasion, unspecified knee, subsequent encounterS80.219S Abrasion, unspecified knee, sequelaS80.22 Blister (nonthermal) of kneeS80.221 Blister (nonthermal), right kneeS80.221A Blister (nonthermal), right knee, initial encounterS80.221D Blister (nonthermal), right knee, subsequent encounter (this code)S80.221S Blister (nonthermal), right knee, sequelaS80.222 Blister (nonthermal), left kneeS80.222A Blister (nonthermal), left knee, initial encounterS80.222D Blister (nonthermal), left knee, subsequent encounterS80.222S Blister (nonthermal), left knee, sequela