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PHQ-9

The Patient Health Questionnaire 9 (PHQ-9) is used to diagnose depression by scoring each of the 9 DSM-IV crit...

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The Patient Health Questionnaire 9 (PHQ-9) is used to diagnose depression by scoring each of the 9 DSM-IV criteria. A clinician should rule out physical causes of depression, normal bereavement and a history of manic or hypomanic episode.

Last update

Oct. 9, 2019

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