C-SSRS Baseline/Screening Version - Frequency of Most Severe Ideation (Past X Months)

**Semantic type:** Intellectual Product

**Definition:** Columbia-Suicidality Severity Rating Scale Baseline/Screening Version (C-SSRS Baseline/Screening Version) How many times have you had these thoughts? (Past X Months).

**Synonyms:** - CSS04-Most Severe Idea, Frequency-P_M - CSS04-Most Severe Idea, Frequency-P_M - CSS0407B