S63.637D Sprain of interphalangeal joint of left little finger, subsequent encounterBillable ICD-10-CM code, FY2026.
Built from S63.637 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.-)")S63.636A Sprain of interphalangeal joint of right little finger, initial encounterS63.636D Sprain of interphalangeal joint of right little finger, subsequent encounterS63.636S Sprain of interphalangeal joint of right little finger, sequelaS63.637 Sprain of interphalangeal joint of left little fingerS63.637A Sprain of interphalangeal joint of left little finger, initial encounterS63.637D Sprain of interphalangeal joint of left little finger, subsequent encounter (this code)S63.637S Sprain of interphalangeal joint of left little finger, sequelaS63.638 Sprain of interphalangeal joint of other fingerS63.638A Sprain of interphalangeal joint of other finger, initial encounterS63.638D Sprain of interphalangeal joint of other finger, subsequent encounterS63.638S Sprain of interphalangeal joint of other finger, sequela