45121000 - Test drilling work

CPV code 45121000 in the EU Common Procurement Vocabulary refers to Test drilling work. It sits at level 4 of the CPV hierarchy as a category within the 45 division. This code is nested directly under 45120000, narrowing the broader category into the specific area of test drilling work. As a leaf code, 45121000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns test drilling work. Contracting authorities across the EU use 45121000 in TED notices and national procurement portals to signal that a tender relates to test drilling work.