Diagnostic criteria for 300.13 Dissociative Fugue Disorder
A. The predominant disturbance is sudden, unexpected travel away from home or one's customary place of work, with inability to recall one's past.
B. Confusion about personal identity or assumption of a new identity (partial or complete).
C. The disturbance does not occur exclusively during the course of Dissociative Identity Disorder and is not due to the direct physiological effects of a substance (e.g., a drug of abuse, a medication) or a general medical condition (e.g., temporal lobe epilepsy).
D. The symptoms cause clinically significant distress or impairment in social, occupational, or other important areas of functioning. (p. 484)