ICD-10-CM > S00-T88 > S80-S89 > S88 > S88.1 > S88.12 > S88.122 S88.122 Partial traumatic amputation at level between knee and ankle, left lower leg Non-Billable/Non-Specific Codes S88.122A..., initial encounterS88.122D..., subsequent encounterS88.122S..., sequela