CPV code 90524000 designates Medical waste services in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
90524000 sits under 90520000 (Radioactive-, toxic-, medical- and hazardous waste services) and groups 4 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.