Calc Function

    • Calcs that help predict probability of a diseaseDiagnosis
    • Subcategory of 'Diagnosis' designed to be very sensitiveRule Out
    • Disease is diagnosed: prognosticate to guide treatmentPrognosis
    • Numerical inputs and outputsFormula
    • Med treatment and moreTreatment
    • Suggested protocolsAlgorithm





    Chief Complaint


    Organ System


    Patent Pending

    Quick Inventory of Depressive Symptomatology (QIDS)

    Rates depression symptoms via self-assessment.
    When to Use
    Why Use
    • Patients who identify as depressed or who may be suffering from depression.
    • The QIDS can also be trended over time to help providers and patients alike see trends like improvements in depressive symptoms over time.

    The QIDS can help objectify and rate the severity of a patient's depression.

    Sleep (calculation uses highest score from items 1-4)
    Weight (calculation uses highest score from items 6-9
    Suicidal Ideation
    Psychomotor Changes (calculation uses highest score from items 15-16)


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    Next Steps
    Creator Insights


    Patients with depression should be provided with further resources and potentially referred to psychiatry, as well as be screened for emergency psychiatric conditions like suicidal ideation or psychosis.


    Addition of the selected points; points assigned in this table.

    Facts & Figures

    QIDS Scoring Information:

    • Collect responses to all questions.
    • Use the highest score on any 1 of the 4 sleep symptoms (items 1 to 4).
    • Use the highest score on any 1 of the 4 weight symptoms (items 6 to 9).
    • Use the highest score on either of the 2 psychomotor symptoms (items 15 and 16).
    • There will be one score for each of the nine depression symptoms.
    • Add the scores of the of the 14 items as instructed above pertaining to the 9 depression symptoms (sleep, mood, weight, concentration, guilt, suicidal ideation, interest, fatigue and psychomotor changes) to obtain the total score. Total scores range from 0-27.

    Score interpretation:

    • The higher the score, the more severe the depression.
    • Scores ≤5 indicate no depression.
    • Scores of 6-10 indicate mild depression.
    • Scores of 11-15 indicate moderate depression.
    • Scores of 16-20 indicate severe depression.
    • Scores ≥21 indicate very severe depression.
    Dr. Augustus John Rush, Jr.

    About the Creator

    Augustus John Rush, Jr., MD, is professor emeritus at National University of Singapore. He is also adjunct professor of psychiatry at Duke University. Previously he was vice dean of clinical sciences at Duke-NUS Graduate Medical School Singapore. His research spans many areas of psychiatry including depression, cognitive therapy techniques and pharmacotherapy.

    To view Dr. Augustus John Rush, Jr.'s publications, visit PubMed