ICD-10-CM > S00-T88 > S90-S99 > S90 > S90.9 > S90.91 S90.91 Unspecified superficial injury of ankle Non-Billable/Non-Specific Codes S90.911Unspecified superficial injury of right ankleS90.911A..., initial encounterS90.911D..., subsequent encounterS90.911S..., sequelaS90.912Unspecified superficial injury of left ankleS90.912A..., initial encounterS90.912D..., subsequent encounterS90.912S..., sequelaS90.919Unspecified superficial injury of unspecified ankleS90.919A..., initial encounterS90.919D..., subsequent encounterS90.919S..., sequela