CPV code 33651500 designates Immune sera and immunoglobulins in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
33651500 sits under 33651000 (General anti-infectives for systemic use and vaccines) and groups 2 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.