ICD-10-CM > S00-T88 > S80-S89 > S81 > S81.0 > S81.01 S81.01 Laceration without foreign body of knee Non-Billable/Non-Specific Codes S81.011Laceration without foreign body, right kneeS81.011A..., initial encounterS81.011D..., subsequent encounterS81.011S..., sequelaS81.012Laceration without foreign body, left kneeS81.012A..., initial encounterS81.012D..., subsequent encounterS81.012S..., sequelaS81.019Laceration without foreign body, unspecified kneeS81.019A..., initial encounterS81.019D..., subsequent encounterS81.019S..., sequela