ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.2 > S91.25 > S91.253 S91.253 Open bite of unspecified great toe with damage to nail Non-Billable/Non-Specific Codes S91.253A..., initial encounterS91.253D..., subsequent encounterS91.253S..., sequela