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