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Diagnosis information
Core diagnostic criteria, specifiers, differential considerations, and documentation support in one open, scan-friendly view.
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Core criterion A
Persistent or recurrent experiences of depersonalisation (feelings of unreality/detachment from one's mind/body) and/or derealisation (feelings of unreality of surroundings)
Core criterion B
Reality testing remains intact during experiences
Core criterion C
Clinically significant distress or impairment
Core criterion D
Not attributable to physiological effects of a substance or another medical condition
Core criterion E
Not better explained by another mental disorder
Consistent with [Depersonalisation/Derealisation Disorder] [specifier(s)]. During recurring episodes over time, there have been persistent or recurrent depersonalisation experiences; persistent or recurrent derealisation experiences; intact reality testing throughout, forming a pattern of dissociative detachment in which the individual recognises the unreality or altered quality of their experiences despite distress. The presentation is further characterised by distressing alterations in self-experience; emotional numbing; altered body perception; perceptual distortion of surroundings, occurring in the absence of confusion, clouding of consciousness, or identity fragmentation. These symptoms have resulted in clinically significant distress or impairment in social, occupational, or interpersonal functioning, and the disturbance is not better explained by substance intoxication, neurological disorders (including seizures or head injury), panic disorder, major depressive disorder, PTSD, or psychotic disorders.
Adapt this supplied template to the assessment. It is not a substitute for diagnostic reasoning or local documentation requirements.