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The Columbia Suicide Severity Rating Scale (C-SSRS) Calculator structures the assessment of suicidal ideation and behavior using a standardized series of questions that classify risk intensity from wish to die through active attempt with plan.

Формула

C-SSRS Ideation Severity = Highest level endorsed (1-5); Behavior assessed separately (actual attempt, interrupted, aborted, preparatory, self-injurious)

IS: Ideation Severity (level (1-5)) — Highest endorsed ideation level from wish to die (1) to ideation with plan and intent (5)
SB: Suicidal Behavior (category) — Type of suicidal behavior: preparatory, aborted attempt, interrupted attempt, or actual attempt
II: Ideation Intensity (composite score) — Aggregate of frequency, duration, controllability, deterrents, and reasons for ideation

Пошаговое руководство

1Screen with two initial questions: wish to be dead, and non-specific suicidal thoughts
2If positive, proceed through escalating ideation levels: active ideation, ideation with method, ideation with intent, ideation with plan
3Assess suicidal behavior history separately: preparatory actions, aborted or interrupted attempts, actual attempts
4The calculator classifies current risk level and recommends appropriate clinical response

Решённые примеры

Ввод

Endorses wish to be dead and active suicidal thoughts without method or plan

Результат

Ideation severity: Level 2/5 (active ideation without method). Requires safety planning and close clinical follow-up.

Ввод

Endorses ideation with specific plan and intent to act

Результат

Ideation severity: Level 5/5 (ideation with plan and intent). Requires immediate psychiatric evaluation and safety intervention.

Распространённые ошибки

✕Skipping the behavioral assessment section — prior suicide attempts are the strongest predictor of future attempts
✕Treating the C-SSRS as a one-time assessment rather than repeating it at clinical contacts and transitions of care
✕Not having a safety plan template ready when the screening identifies active suicidal ideation

Часто задаваемые вопросы

Is the C-SSRS the best suicide screening tool?

The C-SSRS is the most widely adopted suicide risk assessment tool globally, required by the FDA for clinical trials and adopted by the US military, VA, and many healthcare systems. Its structured format reduces clinician variability in assessing risk.

Can non-clinicians administer the C-SSRS?

Yes. The C-SSRS screener version is designed for use by anyone with brief training, including teachers, first responders, and peer counselors. The full clinical version requires clinical training.

What should I do if someone screens positive?

Follow your organization's protocol. Generally: ensure immediate safety, do not leave the person alone, remove access to lethal means, initiate a safety plan, and connect to crisis services (988 Suicide & Crisis Lifeline).

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