To add to Dowly's link:
http://apps.who.int/classifications/...2010/en#/F44.0
Chapter F44 and subsections are the relevant entry.
Version 11 of the ICd was introduced sometime this year, I had picked up somewhere, or is close to release. I assume the diagnostical criteria for dissociative symptoms may not have changed that much, if at all. But I dont know, I am not busy with all this anymore.