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