C-SSRS Lifetime/Recent Version - Frequency of Most Severe Ideation (Past 1 Month)

**Semantic type:** Intellectual Product

**Definition:** Columbia-Suicide Severity Rating Scale Lifetime/Recent Version (C-SSRS Lifetime/Recent Version) How many times have you had these thoughts? (Past 1 Month).

**Synonyms:** - CSS11-Most Severe Idea, Frequency-P1M - CSS11-Most Severe Idea, Frequency-P1M - CSS1107B