ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.1 > S91.15 > S91.153 S91.153 Open bite of unspecified great toe without damage to nail Non-Billable/Non-Specific Codes S91.153A..., initial encounterS91.153D..., subsequent encounterS91.153S..., sequela