# Symptoms # of SymptomsDSM-5 Criteria Met? (Only count items Required rated 2 or 3)
Negative Mood/Cognitions Items 8-14 (highest of #9, #10 and #15) Hyperarousal
Functional Impairment Set of 1-5 Yes/No questions Probable DSM-5 PTSD Diagnosis*
*CATS-2 is constructed as a screening instrument. Elevated scores may be sufficient to suggest a trauma focused treatment, but because it relies on self-report, clinicians should be cautious to use it as a diagnostic tool.