PHQ-9 & GAD-7 Mental Health Screening

Validated screening tools for depression and anxiety symptoms.

Important Clinical Disclaimer: The PHQ-9 & GAD-7 Calculator is intended for use by qualified healthcare professionals only. It is for educational and informational purposes and should not replace clinical judgement. Always interpret results alongside the full clinical picture and follow your local guidelines and protocols.
PHQ-9 Patient Health Questionnaire

Over the last 2 weeks, how often have you been bothered by any of the following problems?

Not at all
(0)		 Several days
(1)		 More than half
(2)		 Nearly every day
(3)
PHQ-9 Scoring Guide
0-4Minimal
5-9Mild
10-14Moderate
15-19Moderately Severe
20-27Severe
GAD-7 Generalized Anxiety Disorder Scale

Over the last 2 weeks, how often have you been bothered by any of the following problems?

Not at all
(0)		 Several days
(1)		 More than half
(2)		 Nearly every day
(3)
GAD-7 Scoring Guide
0-4Minimal
5-9Mild
10-14Moderate
15-21Severe
About These Screening Tools
PHQ-9 (Patient Health Questionnaire-9)

The PHQ-9 is a validated 9-item questionnaire used to screen for depression. It is widely used in primary care and mental health settings, including the NHS. A score of 10 or above suggests clinically significant depression.

GAD-7 (Generalized Anxiety Disorder-7)

The GAD-7 is a validated 7-item questionnaire used to screen for generalized anxiety disorder. A score of 10 or above suggests clinically significant anxiety.

NHS Mental Health Resources
Other Support
Disclaimer

This calculator is provided for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment.

  • Always seek the advice of a qualified healthcare provider with any questions regarding a medical condition.
  • Never disregard professional medical advice or delay seeking it because of information from this tool.
  • Clinical decision-making should always incorporate the full clinical context, patient preferences, and local protocols.
  • The creators of this tool accept no liability for decisions made based on its output.

If you are a patient: please discuss any results with your healthcare provider. This tool is designed for use by medical professionals and may not be appropriate for self-assessment.