PHQ-9 Score Interpretation: What Each Severity Range Means

Last reviewed: 04/24/2026

Reviewed by: Dr. Kiesa Kelly

Quick reference: PHQ-9 score ranges and what they mean

If you just took the PHQ-9 depression screener and want to know what your number means at a glance, use the table below. The ranges are the standard PHQ-9 severity bands [1,2]; the "common next step" column reflects how clinicians typically match support to severity, not a personal prescription.

0–4: None to minimal symptoms

Common next step: No action typically indicated; consider re-taking if something changes

5–9: Mild symptoms

Common next step: Watchful monitoring; basic coping supports (sleep, routine, connection); coping-skills-focused therapy is an option

10–14: Moderate symptoms

Common next step: Talk with a professional; therapy and broader treatment planning are commonly discussed

15–19: Moderately severe symptoms

Common next step: Clinical evaluation recommended; specialized therapy and medication evaluation are both commonly on the table

20–27: Severe symptoms

Common next step: Prompt clinical evaluation strongly indicated; combined psychotherapy and medication are common, with safety planning part of the first conversation — specialized therapy can be a starting point

The rest of this guide explains how the scoring works, how to read your result without turning a questionnaire into a label, and what each range means in practice.

The PHQ-9 (Patient Health Questionnaire-9) is a 9-item depression screener that totals your answers into a score from 0 to 27, and each range maps to a commonly used severity band — minimal through severe. If you've just taken it and you're trying to make sense of your number, this guide walks through the scoring, what the severity ranges mean, and how to use the result safely — without turning a questionnaire into a label.

In this article, you'll learn:

• What the PHQ-9 measures (and what it doesn't)

• How scoring works, including why one item can matter

• PHQ-9 severity ranges and how to interpret them with context

• How to read results without self-blame

• When to get urgent support and what to do next

🧭 Key takeaway: The PHQ-9 is a helpful starting point for a conversation about depression symptoms, not a final diagnosis. [1]

What the PHQ-9 Measures (and Why It's Used)

The PHQ-9 (Patient Health Questionnaire-9) is a brief, widely used depression screening tool. It asks about core depression symptoms and how often you've experienced them recently, then totals the answers into a score from 0 to 27. It's widely used because it's brief. [1]

Symptoms over the last two weeks

The PHQ-9 asks about the last two weeks. A rough stretch (illness, finals, conflict, grief, major sleep loss) can raise your score. The nine items cover areas like low mood, loss of interest, sleep and appetite changes, fatigue, concentration, feeling slowed down or restless, and thoughts that you'd be better off dead or of hurting yourself. [3]

Screening vs diagnosis (what it can/can't do)

A PHQ-9 result can suggest "this deserves a closer look," but it can't diagnose depression by itself. Diagnosis requires a clinical evaluation, including:

• How long symptoms have been present and whether they come and go

• Whether something else could explain them (medical issues, substances, grief, bipolar-spectrum symptoms)

• How much they're affecting daily function and safety

Many guidelines emphasize that screening works best when there's a clear plan for follow-up and appropriate care. [5]

PHQ-9 Scoring Basics

How the total score is calculated

Each item is rated by frequency:

• Not at all (0)

• Several days (1)

• More than half the days (2)

• Nearly every day (3) [3]

Add the nine item scores to get a total from 0 to 27. [1]

🧮 Key takeaway: Because the total is a simple sum, small shifts in sleep, stress, or health can change the number. [3]

Why one item can matter even if the total is low

Two parts of the PHQ-9 deserve special attention beyond the total score. First, the functional question asks how difficult these problems have made it to work, take care of home responsibilities, or get along with others. In practice, impairment often guides urgency more than the number alone. [6]

Second, item 9 (self-harm/suicidal thoughts) should be taken seriously even when the total is low. It needs follow-up with someone qualified to assess risk and support safety. [4]

Practical example #1: You score a 4 overall (minimal range), but you endorsed item 9 as "several days." The safest next step is to talk with a professional or crisis support now, rather than trying to "logic" your way out of it because the total looks low. [4]

How PHQ-9 scores are typically interpreted

A total of 0–27 can feel abstract until you map it to ranges and typical next steps. The bands below are the same cut points used throughout the PHQ-9 clinical literature [1,2] — think of each range as a signal about how much support is usually warranted, not a verdict on who you are.

None to minimal (0–4)

A score in the 0–4 range typically suggests minimal symptoms of depression. Many people land here during routine screenings even when they're tired or stressed. If you land in this range, the PHQ-9 doesn't suggest depression is the primary issue, though it can still be worth addressing sleep, stress, or life load if daily function is slipping.

Mild (5–9)

A mild score (5–9) signals that depressive symptoms have been noticeable but may not be causing significant impairment. Watchful monitoring over a few weeks, basic coping supports (sleep, routine, social connection), and a single supportive conversation or coping-skills-focused therapy visit are common next steps in this range. [2,5]

Moderate to moderately severe (10–19)

Scores in the 10–19 band are the range most guidelines flag as a clear reason to talk with a professional. [2,5] At moderate (10–14), clinicians commonly discuss therapy, coping supports, or a broader treatment plan. At moderately severe (15–19), guidelines more often raise the possibility of both therapy and medication evaluation — especially when symptoms have lasted more than two weeks or are affecting work, parenting, or relationships.

Severe (20–27)

A score of 20 or higher typically reflects severe depressive symptoms with notable impairment. At this range, a prompt clinical evaluation is strongly indicated, and treatment plans often combine psychotherapy with medication. [5] Safety planning — especially around item 9 — should be part of the first conversation.

PHQ-9 Score Meaning: Severity Ranges and What They Usually Mean

PHQ-9 severity ranges are commonly grouped like this:

• 0–4: none/minimal

• 5–9: mild

• 10–14: moderate

• 15–19: moderately severe

• 20–27: severe [2]

These cutpoints help clinicians and clients share a common language, but they're not a verdict on you or a precise measure of "how depressed you really are." [1]

Ranges as a conversation starter, not a verdict

Misconception #1: "My score proves I have depression." A score can suggest depression is more or less likely, but diagnosis still requires context and evaluation. [5]

Misconception #2: "A high score means I'm broken or I'll never get better." A higher score means symptoms have been frequent lately. It does not predict your future or your worth.

The importance of impairment (work, parenting, relationships)

Two people can have the same total score and very different impairment.

Practical example #2: Two adults both score a 9 (mild range). One is tired and less motivated but still working, parenting, and connecting with friends. The other is missing work, withdrawing from family, and can't keep up with basic responsibilities. Same number, different urgency and support needs.

That's why clinicians consider both the score and the impairment question. PHQ-9 scores are strongly associated with functional difficulty and disability days. [1,6]

📌 Key takeaway: Severity ranges are most useful when you pair them with impairment and safety, not when you use them to judge yourself. [1]

How to Read Your Results Without Self-Blame

Depression is not a willpower issue

Misconception #3: "If I just tried harder, I wouldn't feel this way." Depression symptoms are influenced by brain and body systems, life stress, and environment. Many people are working incredibly hard while feeling depleted. The goal is support and skills, not shame.

💛 Key takeaway: Treat your score as information about what you've been carrying, not evidence that you're failing. [5]

What changes scores: sleep, stress, burnout, health issues

It can help to ask, "What changed in the last two weeks?" Common drivers include sleep disruption, burnout, illness or pain, medication changes, and heavier alcohol or cannabis use. If you're tracking over time, look for trends across several check-ins rather than one isolated score.

A Special Note About Safety

If you endorsed self-harm/suicidal thoughts, get support now

If you marked anything other than "not at all" on item 9, it's important to get support today. Endorsing item 9 is associated with increased risk for later suicidal behavior, which is why it should prompt follow-up and a more complete risk assessment. [7]

At the same time, item 9 is not a full suicide-risk assessment on its own. It can miss risk in some people and over-flag in others, so don't use it as a solo "pass/fail" test. [8]

🚨 Key takeaway: Any self-harm or "better off dead" thoughts deserve real-time support, even if you're unsure what you want. [4,9]

What "urgent support" looks like (crisis lines, ER, trusted person)

If you feel unsafe, can't stop thinking about suicide, or might act on thoughts, treat it as urgent. Options in the U.S. include:

• Call or text 988 to reach the 988 Suicide & Crisis Lifeline (24/7), or use chat online. [9]

• If you're in Tennessee, you can also find state-specific information about 988 through the Tennessee Department of Mental Health and Substance Abuse Services. [10]

• If you are in immediate danger, call 911 or go to the nearest emergency room.

• If you can, tell one trusted person what's happening and ask them to stay with you while you connect to help.

What to Do Next Based on Your Results

These are common "next step" patterns clinicians use to match support to severity and function.

Mild symptoms: monitoring + supports

If you're in the mild range and functioning is mostly intact, consider:

• Re-taking the PHQ-9 in 2–4 weeks to track change

• Prioritizing sleep and basic routines

• One or two small "load reducers" (a delegated task, a boundary)

• Therapy focused on coping skills

Moderate+ symptoms: talk with a professional

Moderate, moderately severe, and severe ranges are good reasons to talk with a professional, especially if symptoms have lasted more than two weeks or are affecting work, school, parenting, or relationships. [2,5] A clinician may explore duration, safety, anxiety or trauma, medical contributors, and what support would help you function better.

If symptoms are persistent: evaluation and treatment options (high level)

Common evidence-based options include psychotherapy (such as CBT or ACT), medication (through a medical prescriber), or a combination. What fits best depends on your history, preferences, severity, and safety needs. [5]

✅ Key takeaway: The most helpful question is usually "What level of support matches what I'm dealing with right now?" not "What's wrong with me?"

When to pair the PHQ-9 with a clinical evaluation

The PHQ-9 is a screener, not a diagnostic tool. If your score has climbed above 10, your impairment is meaningful, you endorsed item 9, or symptoms have persisted despite retaking the screener after a few weeks, pairing the result with a clinical evaluation usually sharpens the picture. A licensed clinician can consider medical and contextual contributors, rule out conditions that mimic depression, and build a plan that fits your situation. You can start from our mental health screening hub to see how the PHQ-9 fits alongside other screeners, or learn about our specialized therapy options if you're ready to begin treatment.

Take the PHQ-9 + Next Steps

Access the PHQ-9

If you want to take (or retake) the tool, you can use our PHQ-9 depression screener. Remember: the goal is clarity and safety, not a perfect score.

Explore additional screeners

For other validated screeners and guidance, visit our mental health screening hub. If you're looking for depression help in Tennessee, ScienceWorks Behavioral Healthcare offers telehealth therapy for Tennessee residents, which can make support easier to access when motivation and energy are low. You can learn about our specialized therapy options, explore psychological assessments when you want diagnostic clarity, and contact ScienceWorks when you're ready to talk.

A quick summary:

• Use the PHQ-9 as a depression screening tool, not a diagnosis.

• Interpret the number alongside impairment and context.

• Treat item 9 as a safety signal that deserves immediate follow-up.

• If symptoms are sticking around, you don't have to manage them alone.

Frequently asked questions about PHQ-9 scores

Is a high PHQ-9 score a diagnosis?

No. The PHQ-9 is a screener, not a diagnostic test. A high score says your recent symptoms have been frequent enough to warrant a closer look — it does not, by itself, mean you have major depressive disorder. [1,5] Diagnosis requires a clinical evaluation that considers duration, context, safety, and whether something else might explain the symptoms. If your score has climbed into the moderate-or-higher range, a conversation with a clinician (for example, through our specialized therapy options) is usually the right next step.

What if my PHQ-9 score changes each time I take it?

That's expected, not a sign the screener is broken. Because the total is a simple sum of nine items rated over the last two weeks, short-term shifts in sleep, stress, illness, medication, or substance use can move your score up or down by several points. [3] Look for the trend across several check-ins rather than reacting to one isolated number. And if your day-to-day overwhelm feels more like chronic worry than low mood, the GAD-7 anxiety screener can add useful context — depression and anxiety frequently co-occur, and comparing both pictures often makes the pattern clearer.

When should I show my PHQ-9 result to a clinician?

As a rough guide, bring it in if any of the following are true: your score is 10 or higher, you endorsed item 9 (any response other than "not at all"), your functional impairment question suggests work, parenting, or relationships are being affected, or your score has stayed elevated across two or more check-ins a few weeks apart. [5] You don't need to wait until things feel unbearable — a screener result is useful context for a first appointment. If you'd like to start that conversation with us, you can contact ScienceWorks directly.

Frequently Asked Questions

How is the PHQ-9 scored?

The PHQ-9 has 9 items, each rated 0-3 based on how often the symptom has been present in the last 2 weeks: 0 (not at all), 1 (several days), 2 (more than half the days), 3 (nearly every day). The total ranges from 0 to 27. Common severity bands are 0-4 minimal, 5-9 mild, 10-14 moderate, 15-19 moderately severe, and 20-27 severe. Item 9, about thoughts of self-harm, is reviewed separately regardless of total score.

What is a good or normal PHQ-9 score?

There isn't a single 'normal' PHQ-9 score, but totals of 0-4 are typically labeled minimal symptoms, and 5-9 mild. Many adults without depression score 0-4. A score of 10 or higher is the usual threshold for clinically significant depressive symptoms warranting further evaluation. Lower scores don't rule out depression in every case; they're a screening signal interpreted alongside history, daily functioning, and clinical interview rather than as a stand-alone diagnostic threshold.

Can the PHQ-9 diagnose depression on its own?

No. The PHQ-9 is a screening and severity-tracking tool, not a diagnostic instrument. A diagnosis of major depressive disorder requires a clinical interview using DSM-5-TR or ICD-11 criteria, plus consideration of differential diagnoses such as bipolar disorder, anxiety, grief, ADHD, sleep disorders, and medical contributors like thyroid issues. Clinicians use PHQ-9 totals to track change over time and inform treatment intensity, but the score alone does not confirm or rule out depression.

What is considered mild depression on the PHQ-9?

On the PHQ-9, scores of 5–9 are typically labeled mild depressive symptoms. “Mild” means symptoms have been noticeable over the last two weeks but may not be causing major impairment in work, relationships, or daily routines. Common next steps in this range are watchful monitoring over a few weeks, basic supports like sleep and routine, and coping-skills-focused therapy — and the score is always read alongside how much the symptoms are affecting daily life, not on its own. [2,5]

What should I do if my PHQ-9 score is positive?

A “positive” PHQ-9 screen usually means a total of 10 or higher, which is the common threshold for talking with a professional. A positive screen is a signal to follow up — not a diagnosis, and not an emergency in itself. A good next step is to share the result with a clinician who can consider context, duration, and what support fits your situation. One exception deserves attention regardless of your total: if you endorsed item 9 (any thoughts of self-harm or of being better off dead), reach out for support the same day — in the U.S. you can call or text 988 for the Suicide & Crisis Lifeline, or call 911 if you are in immediate danger. [5,9]

About the Author

Dr. Kiesa Kelly is a licensed clinical psychologist and neuropsychologist by training at ScienceWorks Behavioral Healthcare. She has 20+ years of experience with psychological assessment and provides evidence-based care for OCD, trauma, insomnia, and neurodivergence-affirming assessment and treatment planning. She provides services via telehealth in many states, including Tennessee, and focuses on helping clients find a clear, self-affirming path forward. Learn more about Dr. Kiesa Kelly.

References

1. Kroenke K, Spitzer RL, Williams JBW. The PHQ-9: validity of a brief depression severity measure. J Gen Intern Med. 2001;16(9):606-613. doi:10.1046/j.1525-1497.2001.016009606.x. Available from: https://doi.org/10.1046/j.1525-1497.2001.016009606.x

2. American Psychiatric Association. Severity Measure for Depression—Adult (PHQ-9). DSM-5. Available from: https://www.psychiatry.org/File%20Library/Psychiatrists/Practice/DSM/APA_DSM5_Severity-Measure-For-Depression-Adult.pdf

3. American Psychological Association. Patient Health Questionnaire (PHQ-9). Available from: https://www.apa.org/depression-guideline/patient-health-questionnaire.pdf

4. University of Washington. Patient Health Questionnaire-9 (PHQ-9) (screening and interpretation). Available from: https://www.hiv.uw.edu/page/mental-health-screening/phq-9

5. US Preventive Services Task Force. Depression and Suicide Risk in Adults: Screening. Recommendation statement (Jun 20, 2023). Available from: https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/screening-depression-suicide-risk-adults

6. Government of British Columbia. Patient Health Questionnaire (PHQ-9). Depression guideline appendix (PDF). Available from: https://www2.gov.bc.ca/assets/gov/health/practitioner-pro/bc-guidelines/depression_patient_health_questionnaire.pdf

7. Rossom RC, Coleman KJ, Ahmedani BK, et al. Suicidal ideation reported on the PHQ-9 and risk of suicidal behavior across age groups. J Affect Disord. 2017. Available from: https://pmc.ncbi.nlm.nih.gov/articles/PMC5412508/

8. Na PJ, Yaramala SR, Kim JA, et al. The PHQ-9 item 9 based screening for suicide risk: a validation study of the Patient Health Questionnaire (PHQ)-9 item 9 with the Columbia Suicide Severity Rating Scale (C-SSRS). J Affect Disord. 2018. Available from: https://pubmed.ncbi.nlm.nih.gov/29477096/

9. Substance Abuse and Mental Health Services Administration (SAMHSA). 988 Frequently Asked Questions. Updated Dec 16, 2025. Available from: https://www.samhsa.gov/mental-health/988/faqs

10. Tennessee Department of Mental Health and Substance Abuse Services. 988 Suicide & Crisis Lifeline. Available from: https://www.tn.gov/behavioral-health/crisis/988.html

Disclaimer

This article is for informational purposes only and is not a substitute for professional diagnosis, treatment, or medical advice. If you are in immediate danger, call 911 or go to the nearest emergency room.