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