Much debate has arisen around the issues on the usefulness of diagnosis. Studies indicate that many of the syndromes elucidated in the DSM IV have not been subject to empirical analysis. According to the article below, the burden of validity is based on five criteria and many of our diagnoses don't hold up.
Read this article and get a preview of what DSM V will bring to our practice.
http://ajp.psychiatryonline.org/cgi/reprint/160/1/4
