ICD-10-CM > S00-T88 > S80-S89 > S81 > S81.0 > S81.02 S81.02 Laceration with foreign body of knee Non-Billable/Non-Specific Codes S81.021Laceration with foreign body, right kneeS81.021A..., initial encounterS81.021D..., subsequent encounterS81.021S..., sequelaS81.022Laceration with foreign body, left kneeS81.022A..., initial encounterS81.022D..., subsequent encounterS81.022S..., sequelaS81.029Laceration with foreign body, unspecified kneeS81.029A..., initial encounterS81.029D..., subsequent encounterS81.029S..., sequela