S83.401 Sprain of unspecified collateral ligament of right kneeNon-billable ICD-10-CM code.
M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S86 Injury of muscle, fascia and tendon at lower leg level ("sprain of joints and ligaments of knee (S83.-)")S83.32XA Tear of articular cartilage of left knee, current, initial encounterS83.32XD Tear of articular cartilage of left knee, current, subsequent encounterS83.32XS Tear of articular cartilage of left knee, current, sequelaS83.4 Sprain of collateral ligament of kneeS83.40 Sprain of unspecified collateral ligament of kneeS83.401 Sprain of unspecified collateral ligament of right knee (this code)S83.401A Sprain of unspecified collateral ligament of right knee, initial encounterS83.401D Sprain of unspecified collateral ligament of right knee, subsequent encounterS83.401S Sprain of unspecified collateral ligament of right knee, sequelaS83.402 Sprain of unspecified collateral ligament of left kneeS83.402A Sprain of unspecified collateral ligament of left knee, initial encounter