ICD-10-CM > S00-T88 > S50-S59 > S58 > S58.9 > S58.91 > S58.912 S58.912 Complete traumatic amputation of left forearm, level unspecified Non-Billable/Non-Specific Codes S58.912A..., initial encounterS58.912D..., subsequent encounterS58.912S..., sequela