ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.1 > S83.14 > S83.142 S83.142 Lateral subluxation of proximal end of tibia, left knee Non-Billable/Non-Specific Codes S83.142A..., initial encounterS83.142D..., subsequent encounterS83.142S..., sequela