What is the role of lab studies in the diagnosis of narcissistic personality disorder (NPD)?

Updated: May 16, 2018
  • Author: Sheenie Ambardar, MD; Chief Editor: David Bienenfeld, MD  more...
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No specific laboratory studies are employed to diagnose NPD; however, it is wise to obtain a toxicology screen to rule out drugs and alcohol as possible causes of the pathology.

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