ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.9 > S90.91 > S90.919 S90.919 Unspecified superficial injury of unspecified ankle Non-Billable/Non-Specific Codes S90.919A..., initial encounterS90.919D..., subsequent encounterS90.919S..., sequela