CPV code 33661000 designates Medicinal products for the nervous system in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
33661000 sits under 33660000 (Medicinal products for the nervous system and sensory organs) and groups 7 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.