Patent ID: 8662392

Claim:
A receptacle rack configured to hold a plurality of receptacles comprising: receptacle holding structure defining a plurality of receptacle-receiving pockets, each configured to receive and hold a receptacle; machine-readable position data associated with each receptacle-receiving pocket and comprising information relating to a position of each receptacle-receiving pocket; an electronic memory element configured to store information relating to receptacles held within receptacle-receiving pockets of the receptacle rack and the information relating to a position of each receptacle-receiving pocket; a cover configured to be removably secured to the receptacle-holding structure so as to cover any receptacle(s) held within receptacle-receiving pockets defined by the receptacle-holding structure; and a tamper prevention element configured to indicate if the cover, once it is secured to the receptacle-holding structure, has been removed from the receptacle-holding structure after the information is stored on the electronic memory element.