MDQ (Mood Disorder Questionnaire)
Last reviewed: 2026-07-27
Overview
The MDQ screens for possible bipolar-spectrum symptoms. A positive screen requires careful clinical differentiation from other mood presentations.
Measures: Possible bipolar spectrum symptoms
Score ranges (summary)
Negative screen
Fewer bipolar-spectrum screening markers.
Positive screen
Markers present; seek specialist mood evaluation.
Reference
Hirschfeld RM, et al. Development and validation of a screening instrument for bipolar spectrum disorder: the Mood Disorder Questionnaire. Am J Psychiatry. 2000.
Medical disclaimer
This guide is for education only. Screening is not a diagnosis. Seek evaluation from a qualified clinician. In crisis, contact emergency services.