A device that consists of preserved human or animal tissue, or a two or three-dimensional (3-D) tissue-equivalent model designed to mimic the functional, physical, or a combination of these characteristics of a normal or diseased human organ or organ systems. It is a quality assurance (QA) device intended to permit both subjective and quantitative evaluation of the overall function of both conventional and digital general-purpose x-ray systems and associated image acquisition, display and analysis computer programs. The design can incorporate fluid pumps and moveable components. This GMDN code includes biopsy and other kinds of interventional procedure training phantoms.