The PHQ-9 test is one of several diagnostic tools that can be used in the screening of depression. It can be used to monitor the severity of depression and response to treatment.

Results between 0-4 can indicate none, 5-9 mild, 10-14 moderate, 15-19 moderately severe, and 20-27 severe in measuring depression.

Click on the link below for a sample questionnaire.

PHQ-9 Questionnaire

Please call your doctor if this test indicates that you may have depression. Contact Countryside Neurology at 727-712-1567.

 

Sources:

“PHQ-9 Depression Test Questionnaire.” Patient.info, https://patient.info/doctor/patient-health-questionnaire-phq-9.