ICD-10-CM > S00-T88 > S50-S59 > S58 > S58.9 > S58.92 S58.92 Partial traumatic amputation of forearm, level unspecified Non-Billable/Non-Specific Codes S58.921Partial traumatic amputation of right forearm, level unspecifiedS58.921A..., initial encounterS58.921D..., subsequent encounterS58.921S..., sequelaS58.922Partial traumatic amputation of left forearm, level unspecifiedS58.922A..., initial encounterS58.922D..., subsequent encounterS58.922S..., sequelaS58.929Partial traumatic amputation of unspecified forearm, level unspecifiedS58.929A..., initial encounterS58.929D..., subsequent encounterS58.929S..., sequela