ICD-10-CM > S00-T88 > S90-S99 > S93 > S93.4 > S93.41 > S93.411 S93.411 Sprain of calcaneofibular ligament of right ankle Non-Billable/Non-Specific Codes S93.411A..., initial encounterS93.411D..., subsequent encounterS93.411S..., sequela