ICD-10-CM > S00-T88 > S80-S89 > S88 > S88.0 > S88.01 > S88.011 S88.011 Complete traumatic amputation at knee level, right lower leg Non-Billable/Non-Specific Codes S88.011A..., initial encounterS88.011D..., subsequent encounterS88.011S..., sequela