ICD-10-CM > S00-T88 > S90-S99 > S91 > S91.2 > S91.20 > S91.209 S91.209 Unspecified open wound of unspecified toe(s) with damage to nail Non-Billable/Non-Specific Codes S91.209A..., initial encounterS91.209D..., subsequent encounterS91.209S..., sequela