ICD-10-CM > S00-T88 > S50-S59 > S58 > S58.9 > S58.92 > S58.921 S58.921 Partial traumatic amputation of right forearm, level unspecified Non-Billable/Non-Specific Codes S58.921A..., initial encounterS58.921D..., subsequent encounterS58.921S..., sequela