Psychiatry

MDQ (Mood Disorder Questionnaire) Calculator

Bipolar disorder screening

Clinical use

Use this calculator for bipolar disorder screening in thepsychiatry workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Positive screen: ≥7 of 13 symptoms + co-occurrence + moderate impairment. Sensitivity 73% for bipolar I. Follow up with structured clinical interview.

Required inputs

Felt So Good
Very Irritable
More Confident
Less Need For Sleep
More Talkative
Racing Thoughts
Easily Distracted
More Energy
More Active
More Social
More Interested In Sex
Risky Behavior
Spending Problems
Symptoms Same Time
Functional Impairment

Evidence and limitations

This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

Hirschfeld RMA et al. Am J Psychiatry 2000;157:1873-1875

Frequently asked questions

What is the MDQ (Mood Disorder Questionnaire)?

MDQ (Mood Disorder Questionnaire) is a clinical calculator used for Bipolar disorder screening.

How do I interpret the MDQ (Mood Disorder Questionnaire)?

Positive screen: ≥7 of 13 symptoms + co-occurrence + moderate impairment. Sensitivity 73% for bipolar I. Follow up with structured clinical interview.

What inputs are required for the MDQ (Mood Disorder Questionnaire)?

Required inputs include Felt So Good, Very Irritable, More Confident, Less Need For Sleep, More Talkative, Racing Thoughts, Easily Distracted, More Energy, More Active, More Social, More Interested In Sex, Risky Behavior, Spending Problems, Symptoms Same Time, Functional Impairment.