For schizoidpersonalitydisorder to be diagnosed, doctors may first need to rule out conditions with similar symptoms, such as autism or Asperger's syndrome.
CNN: Schizoid personality disorder
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Diagnosing schizoidpersonalitydisorder is usually based on an in-depth interview with your doctor about your symptoms as well as your medical and personal history.
CNN: Schizoid personality disorder
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To be diagnosed with schizoidpersonalitydisorder, you must meet criteria spelled out in the Diagnostic and Statistical Manual of Mental Disorders (DSM), published by the American Psychiatric Association.