Foreign body or object entering through skin Includes:foreign body or object embedded in skinnail embedded in skinExcludes2contact with hand tools (nonpowered) (powered) (W27-W29)contact with other sharp object(s) (W26.-)contact with sharp glass (W25.-)struck by objects (W20-W22)The appropriate 7th character is to be added to each code from category W45A - initial encounterD - subsequent encounterS - sequela