ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.1 > S91.10 > S91.103 S91.103 Unspecified open wound of unspecified great toe without damage to nail Non-Billable/Non-Specific Codes S91.103A..., initial encounterS91.103D..., subsequent encounterS91.103S..., sequela