ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.1 > S83.14 > S83.145 S83.145 Lateral dislocation of proximal end of tibia, left knee Non-Billable/Non-Specific Codes S83.145A..., initial encounterS83.145D..., subsequent encounterS83.145S..., sequela