S81.01 Laceration without foreign body of kneeNon-billable header with 3 child codes.
S81.011 Laceration without foreign body, right kneeS81.012 Laceration without foreign body, left kneeS81.019 Laceration without foreign body, unspecified kneeM23 Internal derangement of knee ("current injury - see injury of knee and lower leg (S80-S89)")S71 Open wound of hip and thigh ("open wound of knee and lower leg (S81.-)")S84 Injury of nerves at lower leg level ("any associated open wound (S81.-)")S85 Injury of blood vessels at lower leg level ("any associated open wound (S81.-)")S86 Injury of muscle, fascia and tendon at lower leg level ("any associated open wound (S81.-)")S81.002S Unspecified open wound, left knee, sequelaS81.009 Unspecified open wound, unspecified kneeS81.009A Unspecified open wound, unspecified knee, initial encounterS81.009D Unspecified open wound, unspecified knee, subsequent encounterS81.009S Unspecified open wound, unspecified knee, sequelaS81.01 Laceration without foreign body of knee (this code)S81.011 Laceration without foreign body, right kneeS81.011A Laceration without foreign body, right knee, initial encounterS81.011D Laceration without foreign body, right knee, subsequent encounterS81.011S Laceration without foreign body, right knee, sequelaS81.012 Laceration without foreign body, left knee