Foreign body on external eye Excludes2foreign body in penetrating wound of orbit and eye ball (S05.4-, S05.5-)open wound of eyelid and periocular area (S01.1-)retained foreign body in eyelid (H02.8-)retained (old) foreign body in penetrating wound of orbit and eye ball (H05.5-, H44.6-, H44.7-)superficial foreign body of eyelid and periocular area (S00.25-)The appropriate 7th character is to be added to each code from category T15A - initial encounterD - subsequent encounterS - sequela