10.118. Patient Health Questionnaire-9 (PHQ-9)


[FROM-LP] Recommended by FROM-LP, as part of its condition-specific suggestions. See FROM-LP.


[FROM-Perinatal] Recommended by FROM-Perinatal, as part of the “common mental health disorders” set. See FROM-Perinatal.

10.118.1. History and guide

See Spitzer et al. (1999, as below) and the instructions (http://www.phqscreeners.com/instructions/instructions.pdf).

A score of ≥10 identifies major depressive disorder (MDD) with sensitivity 77-88%, specificity 88-94% (Kroenke et al. 2010, as below).

See also the PHQ-8.

10.118.2. Source

  • Original source is at http://www.phqscreeners.com.

  • Spitzer RL, Kroenke K, Williams JB (1999). Validation and utility of a self-report version of PRIME-MD: the PHQ primary care study. Primary Care Evaluation of Mental Disorders. Patient Health Questionnaire. JAMA 282: 1737-44. https://pubmed.ncbi.nlm.nih.gov/10568646/

  • Kroenke K, Spitzer RL, Williams JBW, Löwe B (2010). The Patient Health Questionnaire Somatic, Anxiety, and Depressive Symptom Scales: a systematic review. Gen Hosp Psychiatry 32: 345-59. https://pubmed.ncbi.nlm.nih.gov/20633738/

10.118.3. Intellectual property rights

Public domain.