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Diagnosis of Borderline Personality Disorder

Borderline Personality Disorder is diagnosed based on a clinical assessment performed by a mental health professional.  This assessment includes an interview with the patient and a review of any previous assessments in their medical records, and can also include an interview with the patient's family members or close friends.  The goal of this assessment is to determine whether the patient meets the clinical criteria for Borderline Personality Disorder based on the information that they or their family members and friends provide. The goal is also to differentiate this condition from other disorders with similar symptoms, such as Bipolar Disorder (see here for further information).

There are no laboratory tests or imaging tests (such as CT scans or MRI scans) that can help make a diagnosis of Borderline Personality Disorder.

The McLean Screening Instrument [ref] is a self-report questionnaire that can be used to help identify individuals who have Borderline Personality Disorder. A score of 7 or more suggests that the disorder may be present, but a clinical interview will still be required to confirm the diagnosis.

 

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Symptoms & Definition

Differentiating from Bipolar Disorder