ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.2 > S91.25 > S91.255 S91.255 Open bite of left lesser toe(s) with damage to nail Non-Billable/Non-Specific Codes S91.255A..., initial encounterS91.255D..., subsequent encounterS91.255S..., sequela