PHQ-9 (Patient Health Questionnaire-9)
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Final diagnosis should be made with clinical interview and mental status examination including assessment of patient’s level of distress and functional impairment.
PHQ-9 Management Summary
|0-4||Minimal or none||Monitor; may not require treatment|
|5-9||Mild||Use clinical judgment (symptom duration, functional impairment) to determine necessity of treatment|
|15-19||Moderately severe||Warrants active treatment with psychotherapy, medications, or combination|
- Perform suicide risk assessment in patients who respond positively to item 9 “Thoughts that you would be better off dead or of hurting yourself in some way.”
- Rule out bipolar disorder, normal bereavement, and medical disorders causing depression.