ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.1 > S83.11 > S83.116 S83.116 Anterior dislocation of proximal end of tibia, unspecified knee Non-Billable/Non-Specific Codes S83.116A..., initial encounterS83.116D..., subsequent encounterS83.116S..., sequela