A potential obstacle to implementing dimensional representations in the Diagnostic and Statistical Manual of Mental Disorders (DSM) is lack of data about clinical utility and user acceptability. Adopting a dimensional approach would likely complicate medical record keeping, create administrative and clinical barriers between mental disorders and medical conditions, require a massive retreating effort, disrupt research efforts (e.g., meta-analyses), and complicate clinicians' efforts to integrate prior clinical research using DSM categories into clinical practice. Efforts to empirically demonstrate the clinical utility of dimensional alternatives should be a prerequisite for their future implementation in order to establish that their advantages outweigh the disadvantages. Approaches to promote user acceptability and the development of an empirical database include dimensionalizing existing DSM categories and including research dimensions in the DSM appendix.