The McLean Screening Instrument for BPD, a 10-item validated screening for borderline personality disorder.
Adults who experience emotional instability, relationship difficulties, or identity confusion and want to screen for BPD.
The MSI-BPD is a well-validated screening tool — a positive result indicates further evaluation by a specialist. This tool is for informational purposes only. Not a substitute for professional mental health treatment.
What Is the MSI-BPD Screening?
How Is the MSI-BPD Scored?
What Do My MSI-BPD Results Mean?
Last updated: March 16, 2026
MSI-BPD Borderline Personality Disorder Screening
A validated 10-item screening instrument that helps identify features of borderline personality disorder. Your answers stay in your browser and are never stored.
Last updated: March 16, 2026
Before you begin
This screening uses the McLean Screening Instrument for Borderline Personality Disorder (MSI-BPD), a validated 10-item tool developed by Zanarini et al. (2003) at McLean Hospital.
Please understand:
- This is not a diagnosis and does not replace professional evaluation.
- Results are educational only — they describe symptom levels, not clinical conditions.
- Only a qualified healthcare professional can diagnose or treat conditions.
- Your answers are processed entirely in your browser and are never stored or transmitted.
- If you are in immediate danger or having thoughts of self-harm, please contact emergency services or a crisis hotline now.