ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.2 > S91.25 > S91.259 S91.259 Open bite of unspecified toe(s) with damage to nail Non-Billable/Non-Specific Codes S91.259A..., initial encounterS91.259D..., subsequent encounterS91.259S..., sequela