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