S80.912 Unspecified superficial injury of left kneeNon-billable ICD-10-CM code.
M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S80.91 Unspecified superficial injury of kneeS80.911 Unspecified superficial injury of right kneeS80.911A Unspecified superficial injury of right knee, initial encounterS80.911D Unspecified superficial injury of right knee, subsequent encounterS80.911S Unspecified superficial injury of right knee, sequelaS80.912 Unspecified superficial injury of left knee (this code)S80.912A Unspecified superficial injury of left knee, initial encounterS80.912D Unspecified superficial injury of left knee, subsequent encounterS80.912S Unspecified superficial injury of left knee, sequelaS80.919 Unspecified superficial injury of unspecified kneeS80.919A Unspecified superficial injury of unspecified knee, initial encounter