The Diagnosis Technology Centre or Centre de Tecnologia Diagnòstica (CTD) is a shared company with CETIR that was created in 1990. It is the first nuclear medicine centre in the Vallès region and the first in Spain to be located outside a regional capital city.

It is currently the reference centre for the treatment of hyperthyroidism, thyroid cancer and intra-articular therapy. It has gamma cameras for diagnostic imaging and positron emission tomography (PET).