PHQ-9 Depression Screening Tool

Score PHQ-9 responses and flag suicide risk with DSM-5 criteria.

9|2|Updated Mar 3, 2026
One-click install
npx skills add https://github.com/gitjfmd/open-medical-skills --skill phq-9-depression-screening-tool
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: PHQ-9 Depression Screening Tool
Source: https://github.com/gitjfmd/open-medical-skills/tree/main/skills/phq9-depression-screening
Command: npx skills add https://github.com/gitjfmd/open-medical-skills --skill phq-9-depression-screening-tool

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill streamlines depression screening by delivering complete PHQ-9 scoring, DSM-5 criteria mapping, suicide risk flagging on Item 9, and evidence-based treatment recommendations calibrated to severity.

Core Features & Use Cases

  • Full PHQ-9 scoring (0-27) with severity tiers and DSM-5 cross-referencing.
  • PHQ-2 ultra-brief initial screen; triggers full PHQ-9 when positive.
  • Suicide risk flagging on Item 9 with immediate safety guidance and documentation support.
  • Longitudinal monitoring to track response and remission over multiple assessments.

Quick Start

Use the skill to administer the PHQ-9 and return the total score, risk flag, DSM criteria mapping, and treatment recommendations.

Frequently Asked Questions about PHQ-9 Depression Screening Tool

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I administer a PHQ-9 depression screening and map scores to DSM-5 criteria?

Administering a PHQ-9 depression screening involves scoring 9 items from 0-27, mapping results to DSM-5 criteria, and generating severity tiers with treatment recommendations. The tool automates this entire process including safety triage.

Can I use the PHQ-2 ultra-brief screen before triggering a full PHQ-9 assessment?

Yes, you can use the PHQ-2 ultra-brief screen as an initial step. It automatically triggers the full PHQ-9 assessment when positive, streamlining the depression screening workflow in primary care settings.

What is the best way to track depression treatment response and remission over time?

Tracking depression treatment response requires longitudinal monitoring across multiple PHQ-9 assessments. The tool compares sequential scores over time to evaluate patient response, remission, and severity changes for treatment planning.

Does this depression screening tool provide guideline-based treatment recommendations?

Yes, the depression screening tool provides guideline-based treatment recommendations calibrated to severity tiers. It maps total PHQ-9 scores to evidence-based treatment actions suitable for primary care and mental health settings.

How does PHQ-9 Item 9 flagging work for suicide risk assessment?

PHQ-9 suicide risk flagging evaluates Item 9 responses to identify active risk and provides immediate safety guidance. It flags Item 9 responses to trigger urgent safety actions and documentation support for clinical follow-up.