The PHQ-9 is a depression scale consisting of nine questions. The PHQ-9 can be used as a tool for diagnosing depression as well as for monitoring the patient’s treatment.
The Patient Health Questionnaire 2 (PHQ-2) is used by some clinicians and organizations to screen patients for undiagnosed depression.
This tool is designed to help clinic support staff with answers to common questions they may hear from patients to help increase their comfort talking with patients about the PHQ-9 depression screener.
Suicidal risk assessment when question #9 (thoughts that you would be better off dead, or of hurting yourself) on the PHQ-9 depression screener is positive.