Diagnosis of Dissociative Identity Disorder Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) criteria Detailed interviews, sometimes with hypnosis or facilitated by medications Diagnosis of dissociative identity disorder is clinical, based on presence of the following criteria in the DSM-5-TR: Patients have ≥ 2 personality states or identities (disruption of identity), with substantial discontinuity in their sense of self and sense of agency.