CPV code 15243000 designates Preparations of fish in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
15243000 is a leaf code — the most specific level of its branch — so it can be used directly as the main CPV code of a contract notice. If it does not quite fit, check the neighbouring codes under 15240000 (Canned or tinned fish and other prepared or preserved fish).