📏 Y-BOCS Score Explained: What Your OCD Score Means

Your clinician gave you a number between 0 and 40. Here's what it says about your OCD, what it doesn't, and what to do next. Plus a free score lookup and an 8-question OCD self-check.

9 min read · November 2026

Maybe a therapist wrote "Y-BOCS 24" in your chart and moved on. Maybe you saw the number on an intake form, or heard it in a psychiatry appointment, and nobody explained what it meant. Or maybe you've never been assessed at all, and you're trying to figure out whether what's going on in your head is worth getting checked.

This page covers both. If you already have a score, use the lookup below. If you don't, skip to the free OCD self-check.

Look up your Y-BOCS score

Y-BOCS score ranges

The original Y-BOCS uses five standard severity ranges. They come from the scale's developers and are used throughout OCD research and clinical practice.

• 0–7, subclinical: below the clinical range. This is common after successful treatment.
• 8–15, mild: symptoms cost some time or comfort, but life mostly keeps going.
• 16–23, moderate: clear interference with work, school, relationships or sleep.
• 24–31, severe: a large part of the day is lost, and routines are hard to keep.
• 32–40, extreme: symptoms are close to constant, and day-to-day functioning is very hard.

Two people with the same total can have very different OCD. Someone with 16 for obsessions and 8 for compulsions has a different picture from someone with the reverse. That's why clinicians often record the two subtotals (each 0–20) as well as the total.

What the Y-BOCS actually measures

The Y-BOCS doesn't ask what your obsessions are about. Contamination, harm, religious, relationship and "just right" OCD are all rated on the same scale. Instead, it measures how much OCD is affecting you, looking at obsessions and compulsions separately. For each one, the clinician considers five things:

• Time: how much of your day it takes up
• Interference: how much it gets in the way of work, school and relationships
• Distress: how upsetting it is
• Resistance: how much effort you put into pushing back against it
• Control: how much control you actually have over it

A full Y-BOCS assessment usually starts with a symptom checklist that lists which kinds of obsessions and compulsions you have. The checklist isn't part of your score. It tells the clinician which symptoms to rate, and those ratings add up to the total.

Why you won't find the official Y-BOCS on Olee

You'll see the Y-BOCS questions posted on other websites. We don't post them, for two reasons.

It's built as an interview. The Y-BOCS is designed for a trained clinician to ask the questions and rate the answers. A clinician can tell a mental ritual apart from an ordinary worry, which is hard to do on your own, and that difference changes the score.

It's licensed. The Y-BOCS is owned by OCDscales, LLC, which requires a paid license to put it on a website or in an app. Olee only rates providers on evidence we can verify, and we hold ourselves to the same standard.

So we wrote our own short self-check instead. It won't give you a Y-BOCS score, but it can help you decide whether to see a specialist who can.

Free OCD screening tool (self-check)

What your score means for treatment

At every severity level, the first-line treatment for OCD is exposure and response prevention (ERP), a specific type of cognitive behavioral therapy, sometimes combined with an SSRI. Your Y-BOCS score mostly changes how intensive that care should be:

• Mild (8–15): weekly outpatient ERP with an OCD specialist
• Moderate (16–23): weekly ERP, and medication is often discussed
• Severe (24–31): more frequent ERP, or an intensive outpatient program (IOP)
• Extreme (32–40): an intensive, partial hospitalization or residential program

This is a general guide, not a rule. A clinician will also weigh your history, safety, other conditions and what you've already tried. If you're in the severe or extreme range, our guide to OCD intensive programs in California explains how IOP, PHP and residential programs work.

How to tell if treatment is working

The Y-BOCS is most useful when it's repeated. In 2016, an international expert panel led by David Mataix-Cols agreed on standard definitions that are now used across OCD research:

• Response: your score drops by at least 35% from where you started
• Partial response: a drop of 25–35%
• Remission: a score of 12 or lower, with minimal symptoms, lasting at least a week
• Recovery: remission that lasts at least a year

For example, if you start at 28, a drop to 18 or lower counts as a response, and 12 or lower counts as remission.

Good OCD specialists measure progress this way. When you're choosing a provider, ask whether they track symptom severity during treatment. If the answer is vague, that tells you something.

The Y-BOCS and other OCD measures

The Y-BOCS isn't the only OCD scale. Here's how the common ones compare:

• Y-BOCS: clinician interview, scored 0–40. The standard for rating severity and tracking treatment in adults.
• Y-BOCS-II: clinician interview, scored 0–50. An updated version published by Storch and colleagues in 2010. Items run 0–5 instead of 0–4, so its scores can't be read with the original ranges.
• CY-BOCS: the children's version, given by a clinician with input from the child and a parent.
• OCI-R: an 18-question self-report scored 0–72. Often used for screening and for showing which kinds of symptoms (washing, checking, ordering and so on) stand out.
• DOCS: a 20-question self-report scored 0–80. Rates severity across four common OCD themes.

Finding a specialist who can measure your OCD properly

Whatever your score, the most important next step is finding a clinician who actually specializes in OCD. Many therapists list OCD on their profile without real training in ERP, and an accurate Y-BOCS depends on a clinician who knows what to look for.

Olee scored more than 5,000 OCD providers across every U.S. state on publicly verifiable evidence of OCD expertise, so you can see who has the training and experience to back up the claim.

FAQ

What is a normal Y-BOCS score?

A Y-BOCS total of 0–7 is called subclinical, meaning symptoms are below the range usually treated as clinical OCD. 8–15 is mild, 16–23 is moderate, 24–31 is severe and 32–40 is extreme.

Can I take the Y-BOCS online?

Not officially. The Y-BOCS is designed as a clinician-led interview, and its owner, OCDscales, LLC, requires a paid license to publish it on a website. An OCD specialist can give it to you, often in your first session. Olee's free 8-question self-check can help you decide whether to book that appointment.

Is a Y-BOCS score of 16 bad?

A score of 16 is the low end of the moderate range (16–23). Many OCD research studies use 16 as the point where active treatment is clearly called for. It's a good reason to see an OCD specialist, not a cause for alarm. Moderate OCD responds well to exposure and response prevention (ERP).

What Y-BOCS score counts as remission?

International expert consensus (Mataix-Cols et al., 2016) defines remission as a Y-BOCS score of 12 or lower, together with a clinician rating of minimal or no illness, lasting at least one week. Treatment response is a drop of at least 35% from your starting score, and a 25–35% drop is a partial response.

Does the Y-BOCS diagnose OCD?

No. The Y-BOCS measures how severe obsessions and compulsions are. A diagnosis comes from a clinician's full evaluation. The scale is mainly used to set a starting point and to track whether treatment is working.

What is the difference between the Y-BOCS and the Y-BOCS-II?

The Y-BOCS-II, published by Storch and colleagues in 2010, is a revised version. Each item is scored 0–5 instead of 0–4, so totals run from 0 to 50, and the item about resisting obsessions was replaced. Its scores can't be read with the original Y-BOCS ranges.

Is there a Y-BOCS for children?

Yes. The Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS) is used for children and teens, usually with input from a parent.

How accurate are online OCD tests?

Online OCD quizzes can point out patterns worth discussing, but none of them can diagnose OCD. OCD can look like anxiety, depression or ADHD, and it can hide behind mental rituals that quizzes miss. Treat any online result as a reason to talk with a specialist.

This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. If you are experiencing symptoms of OCD, please consult a licensed mental health professional. If you are in crisis or thinking about harming yourself, call or text 988 (US). Y-BOCS and CY-BOCS are trademarks of OCDscales, LLC. OLEE Index is not affiliated with or endorsed by OCDscales, LLC and does not reproduce the Y-BOCS. The Olee OCD self-check is an original educational tool, not a validated clinical instrument.

References: Goodman WK et al. The Yale-Brown Obsessive Compulsive Scale, parts I and II. Arch Gen Psychiatry. 1989;46(11):1006–1016. Storch EA et al. Development and psychometric evaluation of the Y-BOCS—Second Edition. Psychol Assess. 2010;22(2):223–232. Mataix-Cols D et al. Towards an international expert consensus for defining treatment response, remission, recovery and relapse in OCD. World Psychiatry. 2016;15(1):80–81. Foa EB et al. The Obsessive-Compulsive Inventory: development and validation of a short version. Psychol Assess. 2002;14(4):485–496. Abramowitz JS et al. Assessment of obsessive-compulsive symptom dimensions: the Dimensional Obsessive-Compulsive Scale. Psychol Assess. 2010;22(1):180–198.