S63.642D Sprain of metacarpophalangeal joint of left thumb, subsequent encounterBillable ICD-10-CM code, FY2026.
Built from S63.642 with 7th character D (subsequent encounter).
S66 Injury of muscle, fascia and tendon at wrist and hand level ("sprain of joints and ligaments of wrist and hand (S63.-)")S63.641A Sprain of metacarpophalangeal joint of right thumb, initial encounterS63.641D Sprain of metacarpophalangeal joint of right thumb, subsequent encounterS63.641S Sprain of metacarpophalangeal joint of right thumb, sequelaS63.642 Sprain of metacarpophalangeal joint of left thumbS63.642A Sprain of metacarpophalangeal joint of left thumb, initial encounterS63.642D Sprain of metacarpophalangeal joint of left thumb, subsequent encounter (this code)S63.642S Sprain of metacarpophalangeal joint of left thumb, sequelaS63.649 Sprain of metacarpophalangeal joint of unspecified thumbS63.649A Sprain of metacarpophalangeal joint of unspecified thumb, initial encounterS63.649D Sprain of metacarpophalangeal joint of unspecified thumb, subsequent encounterS63.649S Sprain of metacarpophalangeal joint of unspecified thumb, sequela