A PCL-5 score of 31 to 33 or above is generally considered high, meaning it crosses the threshold where PTSD is likely. The PCL-5 is a 20-question self-report questionnaire with scores ranging from 0 to 80, and it’s the most widely used screening tool for post-traumatic stress disorder in both clinical and research settings.
How the PCL-5 Is Scored
The PCL-5 asks about 20 specific PTSD symptoms you may have experienced in the past month. Each item is rated on a 0 to 4 scale: 0 means “not at all,” 1 means “a little bit,” 2 means “moderately,” 3 means “quite a bit,” and 4 means “extremely.” Your total score is simply the sum of all 20 items, giving a range of 0 to 80.
There are two ways clinicians interpret results. The first is the total score, which reflects overall symptom severity. The second is a cluster-based approach, where individual items are grouped into four categories matching the diagnostic criteria for PTSD: intrusion symptoms (like flashbacks or nightmares), avoidance of trauma reminders, negative changes in thoughts and mood, and heightened reactivity (like being easily startled or having trouble sleeping). A score of 2 or higher on any single item means that symptom is considered “endorsed,” or present at a meaningful level.
What Counts as a High Score
The most commonly cited cut-off is 31 to 33 points. A score at or above this range suggests a probable PTSD diagnosis and warrants further evaluation. The U.S. Department of Veterans Affairs, which developed the PCL-5, initially suggested 33 as a preliminary cut-off, though some research supports 31 depending on the population being screened.
To put these numbers in perspective, a score of 33 means you’re averaging between “a little bit” and “moderately” across all 20 symptoms. In practice, most people with high scores don’t endorse every symptom equally. You might rate some items at 3 or 4 (quite a bit to extremely) while rating others at 0 or 1. What matters is the overall picture.
Scores well above the cut-off, in the 50 to 80 range, indicate severe symptom burden. Research on treatment-seeking populations has found average scores in the low-to-mid 40s, meaning many people entering treatment are already experiencing substantial distress.
Why the Cut-Off Isn’t a Diagnosis
A high PCL-5 score does not mean you have PTSD. The questionnaire is a screening tool, not a diagnostic instrument. It tells a clinician that a more thorough evaluation is warranted, typically a structured interview conducted by a trained professional. That interview explores each symptom in more depth, considers how long symptoms have lasted, and rules out other conditions that can look similar, like depression or anxiety disorders.
The PCL-5 relies entirely on self-report, which means your score reflects how you perceive your symptoms on the day you complete it. Factors like sleep deprivation, a recent reminder of the traumatic event, or even how you interpret the questions can shift your score. This is one reason clinicians don’t base a diagnosis on a single questionnaire.
Tracking Change Over Time
One of the most practical uses of the PCL-5 is measuring whether symptoms are getting better or worse during treatment. Not every small shift in score is meaningful, though. Research on male veterans found that a decrease of at least 15 to 18 points represents reliable change, meaning the improvement is real and not just normal fluctuation in how you happen to feel on a given day.
The same research identified a score of 28 or below as the point where someone is more likely to belong to the non-PTSD population than the PTSD population. So if you start treatment with a score of 52 and eventually drop to 25, that’s a clinically significant shift, not just a statistical one. About one in four veterans in the study achieved that level of improvement during treatment.
If your score drops by only a few points between assessments, it may not reflect a true change in how you’re doing. Asking your provider what kind of change they’re looking for gives you a clearer sense of your progress.
What Your Score Range Means
- 0 to 10: Minimal or no PTSD symptoms. This range is typical for people without trauma exposure or those who have recovered.
- 11 to 30: Some symptoms are present but fall below the threshold for a probable PTSD diagnosis. You may still benefit from monitoring or support, especially if certain individual symptoms are rated highly.
- 31 to 45: Above the clinical cut-off. Symptoms are likely interfering with daily life, and a formal evaluation is appropriate.
- 46 to 80: Moderate to severe symptom burden. Scores in this range are common among people actively seeking treatment and indicate significant distress across multiple symptom categories.
What to Do With a High Score
If you completed the PCL-5 on your own and scored above 33, the most useful next step is a clinical evaluation. A screening score tells you something is worth investigating, but it can’t tell you exactly what’s going on. PTSD overlaps with other conditions, and a thorough assessment helps distinguish between them and identify the best path forward.
If you completed the PCL-5 as part of ongoing treatment, your score is one data point in a larger picture. Clinicians typically readminister the questionnaire at regular intervals to track your trajectory. A single high score early in treatment is expected. What matters more is the direction your scores move over weeks and months, and whether the changes are large enough to reflect genuine improvement.