ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.6 S83.6 Sprain of the superior tibiofibular joint and ligament Non-Billable/Non-Specific Codes S83.60Sprain of the superior tibiofibular joint and ligament, unspecified kneeS83.60XA..., initial encounterS83.60XD..., subsequent encounterS83.60XS..., sequelaS83.61Sprain of the superior tibiofibular joint and ligament, right kneeS83.61XA..., initial encounterS83.61XD..., subsequent encounterS83.61XS..., sequelaS83.62Sprain of the superior tibiofibular joint and ligament, left kneeS83.62XA..., initial encounterS83.62XD..., subsequent encounterS83.62XS..., sequela