Your PHQ-9 Score, Explained: What the Depression Questionnaire Measures and What It Cannot Tell You

You open a patient portal and see a number: 7, 12, 19, or 23. The label beside it may say mild, moderate, or severe. It can feel as if nine checkboxes have turned into a verdict.

They have not. The PHQ-9 is a brief symptom measure. It helps a clinician notice a possible depression pattern, estimate current symptom burden, and follow change over time. Its value comes from using the score with your history, daily function, safety, health, medications, and goals. The PHQ-9 score meaning is always “a starting point for the next question,” not “the final answer about you.”

Key takeaways

• The PHQ-9 asks about nine depression-related symptom areas during the prior two weeks.
• The conventional score bands are useful shorthand, but no band proves that a person has major depression.
• A score of 10 or more is a common screening cutoff. It still produces both false positives and false negatives.
• Any response to the safety item about death or self-harm should lead to follow-up questions. The item alone cannot show whether danger is imminent.
• Scores can help track change, but treatment decisions should also use function, safety, side effects, and the person’s own goals.

Zoom

Why the same nine questions keep appearing

Primary care offices, therapists, psychiatry practices, hospitals, and health plans use the PHQ-9 because it is short and well studied. The questions sample nine areas tied to depression: interest, mood, sleep, energy, appetite, self-view, concentration, movement or restlessness, and thoughts of death or self-harm. The last part asks how much the symptoms have interfered with daily life.

The two-week window matches the minimum duration used in diagnosing a major depressive episode. It also keeps the answer anchored to a recent period. If the form asked how you have felt “lately,” one person might think about yesterday while another thinks about the last year.

Repeating the questionnaire gives each visit a common reference point. A clinician can compare this month with last month without relying only on memory. That does not mean the form captures everything that matters. A stressful morning, a physical illness, a night-shift schedule, pain, grief, a language mismatch, or a much better week than usual can shift the result.

The original validation study found that higher PHQ-9 scores were linked with worse function, more disability days, and greater health-care use.1 That supports the scale as a measure of burden. It does not make it a diagnostic interview.

What the score bands usually mean

Each item is scored from 0 to 3, so the total ranges from 0 to 27. These conventional bands come from the original PHQ-9 work.1

The table is not an automatic prescription. A person with a score of 6 may need urgent help if one symptom involves current suicide intent. A person with a score of 15 may have symptoms driven partly by untreated sleep apnea, grief, medication effects, or bipolar depression. The number guides attention. Context decides the plan.

A score of 12 falls in the conventional moderate range. It does not mean that the person is “12 points depressed” or that medication is required. It says the endorsed symptoms deserve a fuller look.

A cutoff is not a diagnosis

A cutoff of 10 is often used to flag a positive screen. In an updated individual-participant-data meta-analysis, that cutoff had about 85% sensitivity and 85% specificity when compared with semi-structured diagnostic interviews.2 Sensitivity asks how often the screen identifies people who meet diagnostic criteria. Specificity asks how often it is negative in people who do not.

Those numbers also show why a screen cannot stand alone. Some people who screen positive will not have major depression. Some people with major depression will score below the cutoff. The answer changes with the setting and the people being screened. If depression is uncommon in a group, more positive screens may be false positives. If symptoms are hidden or the form does not fit a person’s experience, a low score can miss a real problem.

The U.S. Preventive Services Task Force recommends depression screening for adults, including pregnant and postpartum people, when systems are in place for diagnosis, treatment, and follow-up.3 The recommendation is not “hand out a form and stop.” Screening works as an entry to care.

What a clinician adds to the nine answers

A proper assessment asks what the score cannot.

Course: Establish when the change started, whether this is the first episode, whether symptoms ever fully lifted, and whether they followed a season, childbirth, illness, loss, or medication change.

Function: Note the person’s ability to work, attend school, manage meals, care for children, shower, drive safely, and make decisions. The same total can carry very different effects.

Safety: Distinguish passive thoughts about death from intent, a plan, access, recent behavior, intoxication, psychosis, or an inability to stay safe.

Bipolar symptoms: Ask about any period of unusually high or irritable mood, much less need for sleep, fast speech, racing thoughts, increased activity, or risky behavior. Bipolar depression can look identical on the PHQ-9, but treatment choices may differ.

Other causes: Alcohol, cannabis, stimulant withdrawal, sleep loss, thyroid disease, anemia, pain, pregnancy-related changes, and medication effects can raise several items. They may coexist with depression rather than replace it.

Meaning and goals: Identify the hardest symptom and what getting better would allow the person to do. A five-point improvement matters differently if a person still cannot leave bed than if they have returned to work and relationships.

What happens after a response to item 9

The ninth symptom area asks about thoughts involving death or self-harm. Any response other than none should be noticed and followed up. It should not be treated as proof of imminent danger, and it should not be ignored because the total score is low.

In a large health-system study, more frequent item 9 responses were associated with higher risk of a suicide attempt or death over the following year.4 Yet the absolute risk for any one person remained low, and some near-term attempts occurred among people who had answered none. The item is a risk signal, not a prediction tool.

A clinician may ask whether you wish you would not wake up, have thoughts of ending your life, have considered a plan, intend to act, have access to a lethal method, have attempted before, are intoxicated, or can stay safe with support. Honest detail helps match the response to the actual situation.

Checking the item does not automatically cause an involuntary hold. Actions depend on the full safety assessment, local law, clinical judgment, and the immediate facts. Possible next steps range from a collaborative safety plan and closer follow-up to emergency evaluation when risk is acute.

Do not hide an answer because you fear the next question. You can say, “I want to answer honestly, and I also need you to explain how you decide what happens next.”

How scores help track treatment

The PHQ-9 can turn “I think I am a little better” into a pattern that is easier to review. Research supports using repeated scores to monitor depression treatment.5 In many measurement-based care programs:

• A drop of about 5 points is treated as a meaningful change.
• A decrease of at least 50% from the starting score is often called a response.
• A score below 5 is often used as one definition of remission.

These are research and care benchmarks, not laws. A change from 23 to 17 can be meaningful even though symptoms remain substantial. A change from 8 to 3 may look smaller in points yet restore sleep and function. Scores can also lag behind real gains or improve while a major problem remains.

Use at least four lines on the progress chart:

Review individual items too. A stable total can hide better sleep and worse safety thoughts, or better mood and worse medication-related fatigue.

Why a score may be elevated or misleading

The PHQ-9 is not “wrong” when it captures symptoms caused by another condition. It is answering a narrower question: how often were these experiences present?

Sleep apnea can raise fatigue, sleep, and concentration items. Iron deficiency or thyroid disease can affect energy and thinking. Grief can bring sleep, appetite, guilt, and low mood. Cancer treatment or chronic pain can change several answers. A recent medication change may matter. A person working overnight may struggle with the two-week frame in a different way than a daytime worker.

Culture and language also shape how symptoms are understood. A 2023 systematic review found that Spanish-language PHQ-2 and PHQ-9 versions had useful accuracy across included studies, but results varied by version, country, and setting.6 “Validated in Spanish” does not mean every translation or every cutoff works equally well for every Spanish-speaking community. Use the version provided by the health system, ask about confusing words, and request an interpreter when needed.

A low score can mislead too. Some people minimize symptoms, focus on physical distress, or have a good two-week stretch inside a longer illness. Others have severe impairment from a symptom not heavily represented on the form. Tell the clinician what the total does not show.

What changes for teens and the PHQ-A

The PHQ-A is an adolescent adaptation studied in young people. In its validation study, it performed as a useful screen for depressive disorders in adolescents.7 A teen still needs a private, developmentally appropriate interview that includes family and school context, substance use, trauma, bipolar symptoms, eating concerns, and safety.

Parents should not use the score as a courtroom exhibit. “You said 4 here, so you are fine” can close the conversation. A better opening is, “This form is one piece. What has the last two weeks actually felt like?”

The USPSTF recommends screening adolescents ages 12 to 18 when systems exist for diagnosis, treatment, and follow-up. Evidence is insufficient to recommend for or against routine screening in children 11 or younger.8 That is not a reason to ignore symptoms in a younger child. It means the evidence for population screening is uncertain.

An appointment worksheet

Bring a few notes instead of trying to remember everything in the room.

When to get help sooner

Do not wait for the next questionnaire if you may act on suicidal thoughts, cannot stay safe, have recently attempted suicide, are severely intoxicated, hear commands to harm yourself or someone else, or cannot meet basic needs. Call 911 or go to the nearest emergency room for immediate danger. In the United States, call or text 988 for crisis support.

Seek prompt clinical help for a rapid decline, new psychosis, days with almost no sleep plus rising energy, severe agitation, or inability to eat or drink. A total score should never delay a safety response.

What to do next

Save the result and add three sentences: what changed, what the score missed, and what you need help doing again. Ask the clinician how the score fits the interview, whether another diagnosis or medical cause needs review, and when progress will be checked.

If the score rose after treatment began, do not assume the treatment failed. The first score may have been taken on an unusually good week, awareness may have improved, side effects may be present, or the illness may have changed. Contact the treating team and review the pattern. Do not start, stop, or change medication from the number alone.

Frequently asked questions

Is a PHQ-9 score of 12 moderate?

It falls in the conventional moderate band of 10 to 14. The label describes symptom burden, not a diagnosis or automatic treatment choice.

Can I have depression with a low score?

Yes. The form may miss the timing, severity, or shape of your experience. Diagnosis uses an interview, function, course, and other causes, not only the total.

Why did my score rise after treatment started?

Symptoms can fluctuate. The baseline may have been an unusually good period, side effects or stress may have appeared, or you may now recognize symptoms more clearly. Review the individual items and daily function with the clinician.

What happens after a positive response to item 9?

The clinician should ask direct follow-up questions about the kind of thought, intent, plan, access, recent behavior, supports, and ability to stay safe. The response is based on that full assessment, not the checkbox alone.

Who can see my result?

The result is usually part of the medical record. Access depends on the care system, applicable privacy law, payment processes, and any authorization you signed. An employer does not automatically receive your portal result. If documentation is needed for leave or an accommodation, ask what minimum information will be provided and how it will be kept confidential.9

Related reading on NP FADY

• Your First Psychiatric Visit: What Really Happens
• When Depression Is Diagnosed Before Bipolar Disorder
• Depression and Anxiety in Teens Ages 13-18
• Before You Call It Depression: Medical Causes and Medication Effects
• A Family Guide to Suicide Safety Planning

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. PMID: 11556941.

2. Negeri ZF, Levis B, Sun Y, et al. Accuracy of the Patient Health Questionnaire-9 for screening to detect major depression: updated systematic review and individual participant data meta-analysis. BMJ. 2021;375:n2183. DOI: 10.1136/bmj.n2183. PMID: 34610915.

3. U.S. Preventive Services Task Force. Screening for depression and suicide risk in adults: US Preventive Services Task Force recommendation statement. JAMA. 2023;329(23):2057-2067. DOI: 10.1001/jama.2023.9297. PMID: 37338872.

4. Simon GE, Rutter CM, Peterson D, et al. Does response on the PHQ-9 Depression Questionnaire predict subsequent suicide attempt or suicide death? Psychiatr Serv. 2013;64(12):1195-1202. PMID: 24036589.

5. Löwe B, Unützer J, Callahan CM, Perkins AJ, Kroenke K. Monitoring depression treatment outcomes with the Patient Health Questionnaire-9. Med Care. 2004;42(12):1194-1201. PMID: 15550799.

6. Martinez A, Teklu S, Tahir P, Garcia ME. Validity of the Spanish-language Patient Health Questionnaires 2 and 9: a systematic review and meta-analysis. JAMA Netw Open. 2023;6(10):e2336529. PMID: 37847505.

7. Johnson JG, Harris ES, Spitzer RL, Williams JBW. The Patient Health Questionnaire for Adolescents: validation of an instrument for the assessment of mental disorders among adolescent primary care patients. J Adolesc Health. 2002;30(3):196-204. PMID: 11869927.

8. US Preventive Services Task Force. Screening for depression and suicide risk in children and adolescents: US Preventive Services Task Force recommendation statement. JAMA. 2022;328(15):1534-1542. DOI: 10.1001/jama.2022.16946. PMID: 36219440.

9. U.S. Department of Health and Human Services. Your rights under HIPAA. Accessed September 21, 2026.

This article is for education and is not a substitute for care from a qualified health professional. A questionnaire cannot diagnose or rule out depression. Evidence last checked September 21, 2026.

If you or someone you know is in crisis

• Call 911 or go to your nearest emergency room for any life-threatening emergency.
• 988 Suicide & Crisis Lifeline — call or text 988, or chat at 988lifeline.org, available 24/7, free and confidential. En español: marque 988 y oprima 2, o envíe AYUDA al 988. Deaf or hard of hearing: 988 videophone (ASL) or TTY 711 then 988. Veterans: 988 and press 1, or text 838255.
• Crisis Text Line — text HOME to 741741.
• The Trevor Project (crisis support for LGBTQ+ young people) — call 1-866-488-7386, or text START to 678-678.
• National Sexual Assault Hotline (RAINN) — call 1-800-656-HOPE (4673) or text HOPE to 64673; free, confidential, 24/7. Online chat at RAINN.org/hotline.
• National Domestic Violence Hotline — call 1-800-799-SAFE (7233) or text START to 88788; 24/7, help in 200+ languages. Online chat at TheHotline.org. If your phone or computer may be monitored, calling from a safer device is an option.
• Riverside County — Inland SoCal Crisis Helpline 951-686-HELP (4357), 24/7 (Inland SoCal United Way / 211+, in partnership with RUHS-BH); Community Access, Referral, Evaluation and Support (CARES) Line 800-499-3008, 24/7.
• San Bernardino County — Access Unit (Behavioral Health Helpline) 888-743-1478, 24/7; Mobile Crisis/CCRT 800-398-0018 (24/7, all ages) or text 909-420-0560. Arrowhead Regional Medical Center (ARMC) has a dedicated walk-in adolescent psychiatric ER (ages 13–17).
• Children under 13 — call 911 for immediate danger, contact your county's mobile crisis team (they respond to all ages), or go to the nearest pediatric emergency room.
• California Peer-Run Warm Line (non-crisis — someone to talk to) — call or text 1-855-600-WARM (9276); daytime and evening hours, not a 24/7 line.
• NP Fady (non-emergency) — for routine scheduling or questions, call (909) 707-6261. This line is not monitored for emergencies.