Columbia-Suicide Severity Rating Scale (C-SSRS)

Suicidal thoughts and behaviours are critical safety concerns that require careful, structured assessment. The Columbia Suicide Severity Rating Scale (C-SSRS) is a clinician administered tool designed to help identify the presence and severity of suicidal ideation and behavior in children, adolescents, and adults. It provides clear categories for different levels…

Suicidal thoughts and behaviours are critical safety concerns that require careful, structured assessment. The Columbia Suicide Severity Rating Scale (C-SSRS) is a clinician administered tool designed to help identify the presence and severity of suicidal ideation and behavior in children, adolescents, and adults. It provides clear categories for different levels of suicidal thinking and for suicidal and self injurious behaviours, supporting consistent risk documentation over time.

This resource page explains how the C-SSRS works, what domains it assesses, and how clinicians can use it as part of a broader risk assessment. The C-SSRS organizes questions about suicidal ideation, intensity of thoughts, and suicidal or self injurious behaviors in a way that helps clinicians recognize patterns that may signal elevated risk.

A downloadable PDF of the Columbia Suicide Severity Rating Scale is available for clinicians using the download resource button above.

Columbia-Suicide Severity Rating Scale (C-SSRS)
Columbia-Suicide Severity Rating Scale (C-SSRS)

Understanding How the C-SSRS Works

The C-SSRS is a semi structured interview that covers two major domains: suicidal ideation and suicidal behavior. In the ideation section, clinicians ask about a range of thoughts, from a wish to be dead through more active suicidal ideas that may involve possible methods, intent, or specific plans. The form also includes a brief intensity section where clinicians rate how frequent, persistent, and controllable the most severe thoughts have been.

The behavior section documents different types of suicidal behavior, including actual attempts, interrupted or aborted attempts, preparatory acts, and non suicidal self injury, with guidance on how to judge intent based on patient report and circumstances. Clinicians also record information such as the number of attempts since the last visit, the most medically serious attempt, and the actual or potential medical lethality. The C-SSRS is intended for use by trained clinicians as one component of a comprehensive clinical evaluation and is not a stand alone predictor of future behavior.

“Structured suicide risk assessments can support clinical judgment by ensuring that key aspects of suicidal ideation and behaviour are explored in a consistent way.”
— National Institute of Mental Health

This perspective reflects how the C-SSRS can complement clinical interviews, collateral information, and diagnostic assessments. While the C-SSRS cannot replace clinical judgment, it can help standardize terminology, improve documentation, and support communication among members of the care team. Clinicians can review the full set of items, definitions, and scoring conventions in the downloadable resource using the download resource button above.

Frequently Asked Questions

Warning signs may include talking about wanting to die, expressing hopelessness, withdrawing from others, or showing sudden changes in mood or behavior. Increased substance use, giving away possessions, or searching for ways to harm oneself can also be concerning. Recognizing these signs early allows clinicians to complete a more detailed risk assessment and provide timely support.

Suicidal ideation refers to thoughts about death or killing oneself, which can range from passive wishes to active ideas with intent and planning. Suicidal behavior involves actions taken with at least some intent to die, such as attempts or preparatory acts. Distinguishing between thoughts and actions is important for understanding current risk and planning safety interventions.

Yes, patients may describe vague or indirect thoughts about not wanting to be alive, feeling that others would be better off without them, or imagining escape from overwhelming stress. These statements can reflect significant distress even if there is no clear plan. Clinicians should explore such comments in more detail to clarify risk and offer appropriate help.

Conditions such as major depression, bipolar disorder, psychotic disorders, substance use disorders, and some anxiety disorders can increase suicide risk, particularly when symptoms are severe or unstable. Recent losses, trauma, or medical illness can further heighten vulnerability. Understanding the full clinical picture supports careful safety planning and treatment decisions.

Management may include urgent safety planning, increased monitoring, psychotherapy, medication classes such as antidepressants or mood stabilizers when indicated, and involvement of family or supports when appropriate. In higher risk situations, emergency evaluation or a higher level of care may be required. A collaborative, compassionate approach helps patients feel heard and supported while steps are taken to maintain safety.

Conclusion

The Columbia Suicide Severity Rating Scale is a structured tool that helps clinicians explore and document suicidal ideation and behaviour in a clear, standardized way. By distinguishing among different levels of suicidal thoughts and describing specific types of suicidal and self injurious behaviours, the C-SSRS supports more consistent clinical communication and risk formulation. Its semi structured format encourages thoughtful exploration of sensitive topics while maintaining a patient centered approach.

Incorporating the C-SSRS into routine assessment can help clinicians ensure that key aspects of suicide risk are addressed and monitored over time. The downloadable resource provides the full scale, definitions, and administration notes using the download resource button above. The Columbia Suicide Severity Rating Scale is an important component of comprehensive risk assessment and ongoing safety focused care.

The Columbia Suicide Severity Rating Scale supports consistent suicide risk documentation and helps guide clinical decision making within a broader, person centered treatment plan.