ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.1 > S83.14 > S83.146 S83.146 Lateral dislocation of proximal end of tibia, unspecified knee Non-Billable/Non-Specific Codes S83.146A..., initial encounterS83.146D..., subsequent encounterS83.146S..., sequela