ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.5 > S83.52 S83.52 Sprain of posterior cruciate ligament of knee Non-Billable/Non-Specific Codes S83.521Sprain of posterior cruciate ligament of right kneeS83.521A..., initial encounterS83.521D..., subsequent encounterS83.521S..., sequelaS83.522Sprain of posterior cruciate ligament of left kneeS83.522A..., initial encounterS83.522D..., subsequent encounterS83.522S..., sequelaS83.529Sprain of posterior cruciate ligament of unspecified kneeS83.529A..., initial encounterS83.529D..., subsequent encounterS83.529S..., sequela