Columbia-Suicide Severity Rating Scale (C-SSRS)

5-question suicide risk assessment.


The Columbia-Suicide Severity Rating Scale (C-SSRS) is a questionnaire used for suicide assessment only, it was developed by multiple institutions, including Columbia University, with NIMH support. The scale has over a decade of research evidence, international use and is a quick screen for multiple populations including schools, college campuses, military, fire departments, the justice system, primary care and for scientific research. It’s available in 103 different languages and designed and validated for use for almost all age groups.

The questionnaire is designed to be used to assess someone’s suicidal risk from all causes, which means it is diagnostically agnostic, and when combined with clinical judgment, can help determine levels of risk and aid in making clinical decisions about the type of intervention. The psychometric properties that have been well studied are predictive, and incremental validity, as well as to its sensitivity to change, internal consistency, and inter-rater reliability. Making the C-SSRS useful to detect changes in risk level over time.

This calculator is focused on determining the risk level only for age neutral general use, it’s the “Screener – Recent” version of the C-SSRS Screener, which is to assess suicidal ideation and behavior over recent months with triage categories. The levels of triage are low, moderate and high. The level of risk has associated decision support information that can help determine the immediate goal and action, as well as the resources and interventions. The recommendations are extensive and details available at



The Columbia-Suicide Severity Rating Scale (C-SSRS) calculator is created by QxMD.

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1. Have you wished you were dead or wished you could go to sleep and not wake up?

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The timeframe is within the last one month.

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