S80.9 Unspecified superficial injury of knee and lower legNon-billable header with 2 child codes.
M23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S80.872S Other superficial bite, left lower leg, sequelaS80.879 Other superficial bite, unspecified lower legS80.879A Other superficial bite, unspecified lower leg, initial encounterS80.879D Other superficial bite, unspecified lower leg, subsequent encounterS80.879S Other superficial bite, unspecified lower leg, sequelaS80.9 Unspecified superficial injury of knee and lower leg (this code)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, sequela