ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.1 > S91.10 > S91.109 S91.109 Unspecified open wound of unspecified toe(s) without damage to nail Non-Billable/Non-Specific Codes S91.109A..., initial encounterS91.109D..., subsequent encounterS91.109S..., sequela