Open Request for Quotation (RDO) for the five-year provision, on a service basis—pursuant to Art. 50, Paragraph 1, Letter e) of Legislative Decree No. 36/2023—of a rapid diagnostic system for the detection of *Clostridioides difficile* (formerly known as *Clostridium difficile*) in fecal samples, to meet the requirements of the U.O.C. (Complex Operational Unit) of Microbiology and Virology of the ASL (Local Health Authority) of Pescara.