ICD-10-CM > S00-T88 > S80-S89 > S81 > S81.0 > S81.04 > S81.049 S81.049 Puncture wound with foreign body, unspecified knee Non-Billable/Non-Specific Codes S81.049A..., initial encounterS81.049D..., subsequent encounterS81.049S..., sequela