37920 - food for particular diets (efsa foodex2) 38020 - dietary foods for special medical purposes (efsa foodex2) The group includes any type of Dietary foods for special medical purposes as defined by EU legislation. These foods are intended for the exclusive or partial feeding of people whose nutritional requirements cannot be met by normal foods. The part consumed/analysed is by default the whole marketed unit or a homogeneous representative portion.[https://en.wikipedia.org/wiki/Medical_food] and [https://www.google.co.uk/search?tbm=isch&q=Dietary foods for special medical purposes] requires discussion