S88 - Traumatic amputation of lower leg
S88.0 - Traumatic amputation at knee level
S88.01 - Complete traumatic amputation at knee level
S88.011 - Complete traumatic amputation at knee level, right lower leg
S88.012 - Complete traumatic amputation at knee level, left lower leg
S88.019 - Complete traumatic amputation at knee level, unspecified lower leg
S88.02 - Partial traumatic amputation at knee level
S88.021 - Partial traumatic amputation at knee level, right lower leg
S88.022 - Partial traumatic amputation at knee level, left lower leg
S88.029 - Partial traumatic amputation at knee level, unspecified lower leg