ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.5 > S83.50 S83.50 Sprain of unspecified cruciate ligament of knee Non-Billable/Non-Specific Codes S83.501Sprain of unspecified cruciate ligament of right kneeS83.501A..., initial encounterS83.501D..., subsequent encounterS83.501S..., sequelaS83.502Sprain of unspecified cruciate ligament of left kneeS83.502A..., initial encounterS83.502D..., subsequent encounterS83.502S..., sequelaS83.509Sprain of unspecified cruciate ligament of unspecified kneeS83.509A..., initial encounterS83.509D..., subsequent encounterS83.509S..., sequela