ICD-10-CM > S00-T88 > S90-S99 > S99 > S99.9 > S99.92 S99.92 Unspecified injury of foot Non-Billable/Non-Specific Codes S99.921Unspecified injury of right footS99.921A..., initial encounterS99.921D..., subsequent encounterS99.921S..., sequelaS99.922Unspecified injury of left footS99.922A..., initial encounterS99.922D..., subsequent encounterS99.922S..., sequelaS99.929Unspecified injury of unspecified footS99.929A..., initial encounterS99.929D..., subsequent encounterS99.929S..., sequela